64495960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94847}}^1$

素因数の和:94875

約数の個数: 32

約数和(自身を含む): 153653760

約数和(自身を除く): 89157800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 94847, 189694, 379388, 474235, 758776, 948470, 1612399, 1896940, 3224798, 3793880, 6449596, 8061995, 12899192, 16123990, 32247980, 64495960]

約数ペア:

[(1, 64495960), (2, 32247980), (4, 16123990), (5, 12899192), (8, 8061995), (10, 6449596), (17, 3793880), (20, 3224798), (34, 1896940), (40, 1612399), (68, 948470), (85, 758776), (136, 474235), (170, 379388), (340, 189694), (680, 94847)]