38220560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 102529152

約数和(自身を除く): 64308592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 521, 524, 560, 655, 917, 1042, 1048, 1310, 1834, 2084, 2096, 2605, 2620, 3647, 3668, 4168, 4585, 5210, 5240, 7294, 7336, 8336, 9170, 10420, 10480, 14588, 14672, 18235, 18340, 20840, 29176, 36470, 36680, 41680, 58352, 68251, 72940, 73360, 136502, 145880, 273004, 291760, 341255, 477757, 546008, 682510, 955514, 1092016, 1365020, 1911028, 2388785, 2730040, 3822056, 4777570, 5460080, 7644112, 9555140, 19110280, 38220560]

約数ペア:

[(1, 38220560), (2, 19110280), (4, 9555140), (5, 7644112), (7, 5460080), (8, 4777570), (10, 3822056), (14, 2730040), (16, 2388785), (20, 1911028), (28, 1365020), (35, 1092016), (40, 955514), (56, 682510), (70, 546008), (80, 477757), (112, 341255), (131, 291760), (140, 273004), (262, 145880), (280, 136502), (521, 73360), (524, 72940), (560, 68251), (655, 58352), (917, 41680), (1042, 36680), (1048, 36470), (1310, 29176), (1834, 20840), (2084, 18340), (2096, 18235), (2605, 14672), (2620, 14588), (3647, 10480), (3668, 10420), (4168, 9170), (4585, 8336), (5210, 7336), (5240, 7294)]