64427960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94747}}^1$

素因数の和:94775

約数の個数: 32

約数和(自身を含む): 153491760

約数和(自身を除く): 89063800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 94747, 189494, 378988, 473735, 757976, 947470, 1610699, 1894940, 3221398, 3789880, 6442796, 8053495, 12885592, 16106990, 32213980, 64427960]

約数ペア:

[(1, 64427960), (2, 32213980), (4, 16106990), (5, 12885592), (8, 8053495), (10, 6442796), (17, 3789880), (20, 3221398), (34, 1894940), (40, 1610699), (68, 947470), (85, 757976), (136, 473735), (170, 378988), (340, 189494), (680, 94747)]