25168031720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{8629}}^1$

素因数の和:8803

約数の個数: 128

約数和(自身を含む): 62633088000

約数和(自身を除く): 37465056280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 79, 104, 130, 142, 158, 260, 284, 316, 355, 395, 520, 568, 632, 710, 790, 923, 1027, 1420, 1580, 1846, 2054, 2840, 3160, 3692, 4108, 4615, 5135, 5609, 7384, 8216, 8629, 9230, 10270, 11218, 17258, 18460, 20540, 22436, 28045, 34516, 36920, 41080, 43145, 44872, 56090, 69032, 72917, 86290, 112177, 112180, 145834, 172580, 224354, 224360, 291668, 345160, 364585, 448708, 560885, 583336, 612659, 681691, 729170, 897416, 1121770, 1225318, 1363382, 1458340, 2243540, 2450636, 2726764, 2916680, 3063295, 3408455, 4487080, 4901272, 5453528, 6126590, 6816910, 7964567, 8861983, 12253180, 13633820, 15929134, 17723966, 24506360, 27267640, 31858268, 35447932, 39822835, 44309915, 48400061, 63716536, 70895864, 79645670, 88619830, 96800122, 159291340, 177239660, 193600244, 242000305, 318582680, 354479320, 387200488, 484000610, 629200793, 968001220, 1258401586, 1936002440, 2516803172, 3146003965, 5033606344, 6292007930, 12584015860, 25168031720]

約数ペア:

[(1, 25168031720), (2, 12584015860), (4, 6292007930), (5, 5033606344), (8, 3146003965), (10, 2516803172), (13, 1936002440), (20, 1258401586), (26, 968001220), (40, 629200793), (52, 484000610), (65, 387200488), (71, 354479320), (79, 318582680), (104, 242000305), (130, 193600244), (142, 177239660), (158, 159291340), (260, 96800122), (284, 88619830), (316, 79645670), (355, 70895864), (395, 63716536), (520, 48400061), (568, 44309915), (632, 39822835), (710, 35447932), (790, 31858268), (923, 27267640), (1027, 24506360), (1420, 17723966), (1580, 15929134), (1846, 13633820), (2054, 12253180), (2840, 8861983), (3160, 7964567), (3692, 6816910), (4108, 6126590), (4615, 5453528), (5135, 4901272), (5609, 4487080), (7384, 3408455), (8216, 3063295), (8629, 2916680), (9230, 2726764), (10270, 2450636), (11218, 2243540), (17258, 1458340), (18460, 1363382), (20540, 1225318), (22436, 1121770), (28045, 897416), (34516, 729170), (36920, 681691), (41080, 612659), (43145, 583336), (44872, 560885), (56090, 448708), (69032, 364585), (72917, 345160), (86290, 291668), (112177, 224360), (112180, 224354), (145834, 172580)]