81657700

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{2467}}^1$

素因数の和:2812

約数の個数: 36

約数和(自身を含む): 177804592

約数和(自身を除く): 96146892

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 1324, 1655, 2467, 3310, 4934, 6620, 8275, 9868, 12335, 16550, 24670, 33100, 49340, 61675, 123350, 246700, 816577, 1633154, 3266308, 4082885, 8165770, 16331540, 20414425, 40828850, 81657700]

約数ペア:

[(1, 81657700), (2, 40828850), (4, 20414425), (5, 16331540), (10, 8165770), (20, 4082885), (25, 3266308), (50, 1633154), (100, 816577), (331, 246700), (662, 123350), (1324, 61675), (1655, 49340), (2467, 33100), (3310, 24670), (4934, 16550), (6620, 12335), (8275, 9868)]