18102800

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 43913856

約数和(自身を除く): 25811056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 271, 334, 400, 542, 668, 835, 1084, 1336, 1355, 1670, 2168, 2672, 2710, 3340, 4175, 4336, 5420, 6680, 6775, 8350, 10840, 13360, 13550, 16700, 21680, 27100, 33400, 45257, 54200, 66800, 90514, 108400, 181028, 226285, 362056, 452570, 724112, 905140, 1131425, 1810280, 2262850, 3620560, 4525700, 9051400, 18102800]

約数ペア:

[(1, 18102800), (2, 9051400), (4, 4525700), (5, 3620560), (8, 2262850), (10, 1810280), (16, 1131425), (20, 905140), (25, 724112), (40, 452570), (50, 362056), (80, 226285), (100, 181028), (167, 108400), (200, 90514), (271, 66800), (334, 54200), (400, 45257), (542, 33400), (668, 27100), (835, 21680), (1084, 16700), (1336, 13550), (1355, 13360), (1670, 10840), (2168, 8350), (2672, 6775), (2710, 6680), (3340, 5420), (4175, 4336)]