89486960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 221369760

約数和(自身を除く): 131882800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 521, 565, 760, 904, 1042, 1130, 1520, 1808, 2084, 2147, 2260, 2605, 4168, 4294, 4520, 5210, 8336, 8588, 9040, 9899, 10420, 10735, 17176, 19798, 20840, 21470, 34352, 39596, 41680, 42940, 49495, 58873, 79192, 85880, 98990, 117746, 158384, 171760, 197980, 235492, 294365, 395960, 470984, 588730, 791920, 941968, 1118587, 1177460, 2237174, 2354920, 4474348, 4709840, 5592935, 8948696, 11185870, 17897392, 22371740, 44743480, 89486960]

約数ペア:

[(1, 89486960), (2, 44743480), (4, 22371740), (5, 17897392), (8, 11185870), (10, 8948696), (16, 5592935), (19, 4709840), (20, 4474348), (38, 2354920), (40, 2237174), (76, 1177460), (80, 1118587), (95, 941968), (113, 791920), (152, 588730), (190, 470984), (226, 395960), (304, 294365), (380, 235492), (452, 197980), (521, 171760), (565, 158384), (760, 117746), (904, 98990), (1042, 85880), (1130, 79192), (1520, 58873), (1808, 49495), (2084, 42940), (2147, 41680), (2260, 39596), (2605, 34352), (4168, 21470), (4294, 20840), (4520, 19798), (5210, 17176), (8336, 10735), (8588, 10420), (9040, 9899)]