70867640

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2011}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 159712560

約数和(自身を除く): 88844920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2011, 3524, 4022, 4405, 7048, 8044, 8810, 10055, 16088, 17620, 20110, 35240, 40220, 80440, 1771691, 3543382, 7086764, 8858455, 14173528, 17716910, 35433820, 70867640]

約数ペア:

[(1, 70867640), (2, 35433820), (4, 17716910), (5, 14173528), (8, 8858455), (10, 7086764), (20, 3543382), (40, 1771691), (881, 80440), (1762, 40220), (2011, 35240), (3524, 20110), (4022, 17620), (4405, 16088), (7048, 10055), (8044, 8810)]