72170080

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6353}}^1$

素因数の和:6439

約数の個数: 48

約数和(自身を含む): 172930464

約数和(自身を除く): 100760384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6353, 11360, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 203296, 254120, 451063, 508240, 902126, 1016480, 1804252, 2255315, 3608504, 4510630, 7217008, 9021260, 14434016, 18042520, 36085040, 72170080]

約数ペア:

[(1, 72170080), (2, 36085040), (4, 18042520), (5, 14434016), (8, 9021260), (10, 7217008), (16, 4510630), (20, 3608504), (32, 2255315), (40, 1804252), (71, 1016480), (80, 902126), (142, 508240), (160, 451063), (284, 254120), (355, 203296), (568, 127060), (710, 101648), (1136, 63530), (1420, 50824), (2272, 31765), (2840, 25412), (5680, 12706), (6353, 11360)]