8653340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 19885824

約数和(自身を除く): 11232484

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 821, 1054, 1642, 2108, 2635, 3284, 4105, 5270, 8210, 10540, 13957, 16420, 25451, 27914, 50902, 55828, 69785, 101804, 127255, 139570, 254510, 279140, 432667, 509020, 865334, 1730668, 2163335, 4326670, 8653340]

約数ペア:

[(1, 8653340), (2, 4326670), (4, 2163335), (5, 1730668), (10, 865334), (17, 509020), (20, 432667), (31, 279140), (34, 254510), (62, 139570), (68, 127255), (85, 101804), (124, 69785), (155, 55828), (170, 50902), (310, 27914), (340, 25451), (527, 16420), (620, 13957), (821, 10540), (1054, 8210), (1642, 5270), (2108, 4105), (2635, 3284)]