87182800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12856

約数の個数: 60

約数和(自身を含む): 221794956

約数和(自身を除く): 134612156

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 12821, 25642, 51284, 64105, 102568, 128210, 205136, 217957, 256420, 320525, 435914, 512840, 641050, 871828, 1025680, 1089785, 1282100, 1743656, 2179570, 2564200, 3487312, 4359140, 5128400, 5448925, 8718280, 10897850, 17436560, 21795700, 43591400, 87182800]

約数ペア:

[(1, 87182800), (2, 43591400), (4, 21795700), (5, 17436560), (8, 10897850), (10, 8718280), (16, 5448925), (17, 5128400), (20, 4359140), (25, 3487312), (34, 2564200), (40, 2179570), (50, 1743656), (68, 1282100), (80, 1089785), (85, 1025680), (100, 871828), (136, 641050), (170, 512840), (200, 435914), (272, 320525), (340, 256420), (400, 217957), (425, 205136), (680, 128210), (850, 102568), (1360, 64105), (1700, 51284), (3400, 25642), (6800, 12821)]