90686440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2389}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 222843600

約数和(自身を除く): 132157160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2389, 2920, 3796, 4745, 4778, 7592, 9490, 9556, 11945, 18980, 19112, 23890, 31057, 37960, 47780, 62114, 95560, 124228, 155285, 174397, 248456, 310570, 348794, 621140, 697588, 871985, 1242280, 1395176, 1743970, 2267161, 3487940, 4534322, 6975880, 9068644, 11335805, 18137288, 22671610, 45343220, 90686440]

約数ペア:

[(1, 90686440), (2, 45343220), (4, 22671610), (5, 18137288), (8, 11335805), (10, 9068644), (13, 6975880), (20, 4534322), (26, 3487940), (40, 2267161), (52, 1743970), (65, 1395176), (73, 1242280), (104, 871985), (130, 697588), (146, 621140), (260, 348794), (292, 310570), (365, 248456), (520, 174397), (584, 155285), (730, 124228), (949, 95560), (1460, 62114), (1898, 47780), (2389, 37960), (2920, 31057), (3796, 23890), (4745, 19112), (4778, 18980), (7592, 11945), (9490, 9556)]