55416920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 89735080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 71, 76, 79, 95, 104, 130, 142, 152, 158, 190, 247, 260, 284, 316, 355, 380, 395, 494, 520, 568, 632, 710, 760, 790, 923, 988, 1027, 1235, 1349, 1420, 1501, 1580, 1846, 1976, 2054, 2470, 2698, 2840, 3002, 3160, 3692, 4108, 4615, 4940, 5135, 5396, 5609, 6004, 6745, 7384, 7505, 8216, 9230, 9880, 10270, 10792, 11218, 12008, 13490, 15010, 17537, 18460, 19513, 20540, 22436, 26980, 28045, 30020, 35074, 36920, 39026, 41080, 44872, 53960, 56090, 60040, 70148, 72917, 78052, 87685, 97565, 106571, 112180, 140296, 145834, 156104, 175370, 195130, 213142, 224360, 291668, 350740, 364585, 390260, 426284, 532855, 583336, 701480, 729170, 780520, 852568, 1065710, 1385423, 1458340, 2131420, 2770846, 2916680, 4262840, 5541692, 6927115, 11083384, 13854230, 27708460, 55416920]

約数ペア:

[(1, 55416920), (2, 27708460), (4, 13854230), (5, 11083384), (8, 6927115), (10, 5541692), (13, 4262840), (19, 2916680), (20, 2770846), (26, 2131420), (38, 1458340), (40, 1385423), (52, 1065710), (65, 852568), (71, 780520), (76, 729170), (79, 701480), (95, 583336), (104, 532855), (130, 426284), (142, 390260), (152, 364585), (158, 350740), (190, 291668), (247, 224360), (260, 213142), (284, 195130), (316, 175370), (355, 156104), (380, 145834), (395, 140296), (494, 112180), (520, 106571), (568, 97565), (632, 87685), (710, 78052), (760, 72917), (790, 70148), (923, 60040), (988, 56090), (1027, 53960), (1235, 44872), (1349, 41080), (1420, 39026), (1501, 36920), (1580, 35074), (1846, 30020), (1976, 28045), (2054, 26980), (2470, 22436), (2698, 20540), (2840, 19513), (3002, 18460), (3160, 17537), (3692, 15010), (4108, 13490), (4615, 12008), (4940, 11218), (5135, 10792), (5396, 10270), (5609, 9880), (6004, 9230), (6745, 8216), (7384, 7505)]