27988040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22571}}^1$

素因数の和:22613

約数の個数: 32

約数和(自身を含む): 65007360

約数和(自身を除く): 37019320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22571, 45142, 90284, 112855, 180568, 225710, 451420, 699701, 902840, 1399402, 2798804, 3498505, 5597608, 6997010, 13994020, 27988040]

約数ペア:

[(1, 27988040), (2, 13994020), (4, 6997010), (5, 5597608), (8, 3498505), (10, 2798804), (20, 1399402), (31, 902840), (40, 699701), (62, 451420), (124, 225710), (155, 180568), (248, 112855), (310, 90284), (620, 45142), (1240, 22571)]