80481400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23671}}^1$

素因数の和:23704

約数の個数: 48

約数和(自身を含む): 198134640

約数和(自身を除く): 117653240

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, 23671, 47342, 94684, 118355, 189368, 236710, 402407, 473420, 591775, 804814, 946840, 1183550, 1609628, 2012035, 2367100, 3219256, 4024070, 4734200, 8048140, 10060175, 16096280, 20120350, 40240700, 80481400]

約数ペア:

[(1, 80481400), (2, 40240700), (4, 20120350), (5, 16096280), (8, 10060175), (10, 8048140), (17, 4734200), (20, 4024070), (25, 3219256), (34, 2367100), (40, 2012035), (50, 1609628), (68, 1183550), (85, 946840), (100, 804814), (136, 591775), (170, 473420), (200, 402407), (340, 236710), (425, 189368), (680, 118355), (850, 94684), (1700, 47342), (3400, 23671)]