12868400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 60

約数和(自身を含む): 31551552

約数和(自身を除く): 18683152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 607, 848, 1060, 1214, 1325, 2120, 2428, 2650, 3035, 4240, 4856, 5300, 6070, 9712, 10600, 12140, 15175, 21200, 24280, 30350, 32171, 48560, 60700, 64342, 121400, 128684, 160855, 242800, 257368, 321710, 514736, 643420, 804275, 1286840, 1608550, 2573680, 3217100, 6434200, 12868400]

約数ペア:

[(1, 12868400), (2, 6434200), (4, 3217100), (5, 2573680), (8, 1608550), (10, 1286840), (16, 804275), (20, 643420), (25, 514736), (40, 321710), (50, 257368), (53, 242800), (80, 160855), (100, 128684), (106, 121400), (200, 64342), (212, 60700), (265, 48560), (400, 32171), (424, 30350), (530, 24280), (607, 21200), (848, 15175), (1060, 12140), (1214, 10600), (1325, 9712), (2120, 6070), (2428, 5300), (2650, 4856), (3035, 4240)]