29311640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10321}}^1$

素因数の和:10403

約数の個数: 32

約数和(自身を含む): 66886560

約数和(自身を除く): 37574920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10321, 20642, 41284, 51605, 82568, 103210, 206420, 412840, 732791, 1465582, 2931164, 3663955, 5862328, 7327910, 14655820, 29311640]

約数ペア:

[(1, 29311640), (2, 14655820), (4, 7327910), (5, 5862328), (8, 3663955), (10, 2931164), (20, 1465582), (40, 732791), (71, 412840), (142, 206420), (284, 103210), (355, 82568), (568, 51605), (710, 41284), (1420, 20642), (2840, 10321)]