12439400

素因数分解:

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

素因数の和:135

約数の個数: 72

約数和(自身を含む): 30445410

約数和(自身を除く): 18006010

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 41, 50, 74, 82, 100, 148, 164, 185, 200, 205, 296, 328, 370, 410, 740, 820, 925, 1025, 1480, 1517, 1640, 1681, 1850, 2050, 3034, 3362, 3700, 4100, 6068, 6724, 7400, 7585, 8200, 8405, 12136, 13448, 15170, 16810, 30340, 33620, 37925, 42025, 60680, 62197, 67240, 75850, 84050, 124394, 151700, 168100, 248788, 303400, 310985, 336200, 497576, 621970, 1243940, 1554925, 2487880, 3109850, 6219700, 12439400]

約数ペア:

[(1, 12439400), (2, 6219700), (4, 3109850), (5, 2487880), (8, 1554925), (10, 1243940), (20, 621970), (25, 497576), (37, 336200), (40, 310985), (41, 303400), (50, 248788), (74, 168100), (82, 151700), (100, 124394), (148, 84050), (164, 75850), (185, 67240), (200, 62197), (205, 60680), (296, 42025), (328, 37925), (370, 33620), (410, 30340), (740, 16810), (820, 15170), (925, 13448), (1025, 12136), (1480, 8405), (1517, 8200), (1640, 7585), (1681, 7400), (1850, 6724), (2050, 6068), (3034, 4100), (3362, 3700)]