69570920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8243}}^1$

素因数の和:8465

約数の個数: 32

約数和(自身を含む): 157295520

約数和(自身を除く): 87724600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8243, 8440, 16486, 32972, 41215, 65944, 82430, 164860, 329720, 1739273, 3478546, 6957092, 8696365, 13914184, 17392730, 34785460, 69570920]

約数ペア:

[(1, 69570920), (2, 34785460), (4, 17392730), (5, 13914184), (8, 8696365), (10, 6957092), (20, 3478546), (40, 1739273), (211, 329720), (422, 164860), (844, 82430), (1055, 65944), (1688, 41215), (2110, 32972), (4220, 16486), (8243, 8440)]