85212640

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1609}}^1$

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 202048560

約数和(自身を除く): 116835920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1609, 1655, 2648, 3218, 3310, 5296, 6436, 6620, 8045, 10592, 12872, 13240, 16090, 25744, 26480, 32180, 51488, 52960, 64360, 128720, 257440, 532579, 1065158, 2130316, 2662895, 4260632, 5325790, 8521264, 10651580, 17042528, 21303160, 42606320, 85212640]

約数ペア:

[(1, 85212640), (2, 42606320), (4, 21303160), (5, 17042528), (8, 10651580), (10, 8521264), (16, 5325790), (20, 4260632), (32, 2662895), (40, 2130316), (80, 1065158), (160, 532579), (331, 257440), (662, 128720), (1324, 64360), (1609, 52960), (1655, 51488), (2648, 32180), (3218, 26480), (3310, 25744), (5296, 16090), (6436, 13240), (6620, 12872), (8045, 10592)]