66365800

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1987}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 155302560

約数和(自身を除く): 88936760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 668, 835, 1336, 1670, 1987, 3340, 3974, 4175, 6680, 7948, 8350, 9935, 15896, 16700, 19870, 33400, 39740, 49675, 79480, 99350, 198700, 331829, 397400, 663658, 1327316, 1659145, 2654632, 3318290, 6636580, 8295725, 13273160, 16591450, 33182900, 66365800]

約数ペア:

[(1, 66365800), (2, 33182900), (4, 16591450), (5, 13273160), (8, 8295725), (10, 6636580), (20, 3318290), (25, 2654632), (40, 1659145), (50, 1327316), (100, 663658), (167, 397400), (200, 331829), (334, 198700), (668, 99350), (835, 79480), (1336, 49675), (1670, 39740), (1987, 33400), (3340, 19870), (3974, 16700), (4175, 15896), (6680, 9935), (7948, 8350)]