12991400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3821}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 31990140

約数和(自身を除く): 18998740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 3821, 7642, 15284, 19105, 30568, 38210, 64957, 76420, 95525, 129914, 152840, 191050, 259828, 324785, 382100, 519656, 649570, 764200, 1299140, 1623925, 2598280, 3247850, 6495700, 12991400]

約数ペア:

[(1, 12991400), (2, 6495700), (4, 3247850), (5, 2598280), (8, 1623925), (10, 1299140), (17, 764200), (20, 649570), (25, 519656), (34, 382100), (40, 324785), (50, 259828), (68, 191050), (85, 152840), (100, 129914), (136, 95525), (170, 76420), (200, 64957), (340, 38210), (425, 30568), (680, 19105), (850, 15284), (1700, 7642), (3400, 3821)]