1119498440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{1669}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 2588166000

約数和(自身を除く): 1468667560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 409, 410, 818, 820, 1636, 1640, 1669, 2045, 3272, 3338, 4090, 6676, 8180, 8345, 13352, 16360, 16690, 16769, 33380, 33538, 66760, 67076, 68429, 83845, 134152, 136858, 167690, 273716, 335380, 342145, 547432, 670760, 682621, 684290, 1365242, 1368580, 2730484, 2737160, 3413105, 5460968, 6826210, 13652420, 27304840, 27987461, 55974922, 111949844, 139937305, 223899688, 279874610, 559749220, 1119498440]

約数ペア:

[(1, 1119498440), (2, 559749220), (4, 279874610), (5, 223899688), (8, 139937305), (10, 111949844), (20, 55974922), (40, 27987461), (41, 27304840), (82, 13652420), (164, 6826210), (205, 5460968), (328, 3413105), (409, 2737160), (410, 2730484), (818, 1368580), (820, 1365242), (1636, 684290), (1640, 682621), (1669, 670760), (2045, 547432), (3272, 342145), (3338, 335380), (4090, 273716), (6676, 167690), (8180, 136858), (8345, 134152), (13352, 83845), (16360, 68429), (16690, 67076), (16769, 66760), (33380, 33538)]