69739720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8263}}^1$

素因数の和:8485

約数の個数: 32

約数和(自身を含む): 157677120

約数和(自身を除く): 87937400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8263, 8440, 16526, 33052, 41315, 66104, 82630, 165260, 330520, 1743493, 3486986, 6973972, 8717465, 13947944, 17434930, 34869860, 69739720]

約数ペア:

[(1, 69739720), (2, 34869860), (4, 17434930), (5, 13947944), (8, 8717465), (10, 6973972), (20, 3486986), (40, 1743493), (211, 330520), (422, 165260), (844, 82630), (1055, 66104), (1688, 41315), (2110, 33052), (4220, 16526), (8263, 8440)]