2487880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 5892660

約数和(自身を除く): 3404780

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1480, 1517, 1640, 1681, 3034, 3362, 6068, 6724, 7585, 8405, 12136, 13448, 15170, 16810, 30340, 33620, 60680, 62197, 67240, 124394, 248788, 310985, 497576, 621970, 1243940, 2487880]

約数ペア:

[(1, 2487880), (2, 1243940), (4, 621970), (5, 497576), (8, 310985), (10, 248788), (20, 124394), (37, 67240), (40, 62197), (41, 60680), (74, 33620), (82, 30340), (148, 16810), (164, 15170), (185, 13448), (205, 12136), (296, 8405), (328, 7585), (370, 6724), (410, 6068), (740, 3362), (820, 3034), (1480, 1681), (1517, 1640)]