108821199920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1\times {\mathrm{20147}}^1$

素因数の和:20898

約数の個数: 80

約数和(自身を含む): 255791271168

約数和(自身を除く): 146970071248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 631, 856, 1070, 1262, 1712, 2140, 2524, 3155, 4280, 5048, 6310, 8560, 10096, 12620, 20147, 25240, 40294, 50480, 67517, 80588, 100735, 135034, 161176, 201470, 270068, 322352, 337585, 402940, 540136, 675170, 805880, 1080272, 1350340, 1611760, 2155729, 2700680, 4311458, 5401360, 8622916, 10778645, 12712757, 17245832, 21557290, 25425514, 34491664, 43114580, 50851028, 63563785, 86229160, 101702056, 127127570, 172458320, 203404112, 254255140, 508510280, 1017020560, 1360264999, 2720529998, 5441059996, 6801324995, 10882119992, 13602649990, 21764239984, 27205299980, 54410599960, 108821199920]

約数ペア:

[(1, 108821199920), (2, 54410599960), (4, 27205299980), (5, 21764239984), (8, 13602649990), (10, 10882119992), (16, 6801324995), (20, 5441059996), (40, 2720529998), (80, 1360264999), (107, 1017020560), (214, 508510280), (428, 254255140), (535, 203404112), (631, 172458320), (856, 127127570), (1070, 101702056), (1262, 86229160), (1712, 63563785), (2140, 50851028), (2524, 43114580), (3155, 34491664), (4280, 25425514), (5048, 21557290), (6310, 17245832), (8560, 12712757), (10096, 10778645), (12620, 8622916), (20147, 5401360), (25240, 4311458), (40294, 2700680), (50480, 2155729), (67517, 1611760), (80588, 1350340), (100735, 1080272), (135034, 805880), (161176, 675170), (201470, 540136), (270068, 402940), (322352, 337585)]