250005080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 629285760

約数和(自身を除く): 379280680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 620, 676, 806, 845, 1193, 1240, 1352, 1612, 1690, 2015, 2386, 3224, 3380, 4030, 4772, 5239, 5965, 6760, 8060, 9544, 10478, 11930, 15509, 16120, 20956, 23860, 26195, 31018, 36983, 41912, 47720, 52390, 62036, 73966, 77545, 104780, 124072, 147932, 155090, 184915, 201617, 209560, 295864, 310180, 369830, 403234, 480779, 620360, 739660, 806468, 961558, 1008085, 1479320, 1612936, 1923116, 2016170, 2403895, 3846232, 4032340, 4807790, 6250127, 8064680, 9615580, 12500254, 19231160, 25000508, 31250635, 50001016, 62501270, 125002540, 250005080]

約数ペア:

[(1, 250005080), (2, 125002540), (4, 62501270), (5, 50001016), (8, 31250635), (10, 25000508), (13, 19231160), (20, 12500254), (26, 9615580), (31, 8064680), (40, 6250127), (52, 4807790), (62, 4032340), (65, 3846232), (104, 2403895), (124, 2016170), (130, 1923116), (155, 1612936), (169, 1479320), (248, 1008085), (260, 961558), (310, 806468), (338, 739660), (403, 620360), (520, 480779), (620, 403234), (676, 369830), (806, 310180), (845, 295864), (1193, 209560), (1240, 201617), (1352, 184915), (1612, 155090), (1690, 147932), (2015, 124072), (2386, 104780), (3224, 77545), (3380, 73966), (4030, 62036), (4772, 52390), (5239, 47720), (5965, 41912), (6760, 36983), (8060, 31018), (9544, 26195), (10478, 23860), (11930, 20956), (15509, 16120)]