13767640

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{701}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 31084560

約数和(自身を除く): 17316920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 701, 982, 1402, 1964, 2455, 2804, 3505, 3928, 4910, 5608, 7010, 9820, 14020, 19640, 28040, 344191, 688382, 1376764, 1720955, 2753528, 3441910, 6883820, 13767640]

約数ペア:

[(1, 13767640), (2, 6883820), (4, 3441910), (5, 2753528), (8, 1720955), (10, 1376764), (20, 688382), (40, 344191), (491, 28040), (701, 19640), (982, 14020), (1402, 9820), (1964, 7010), (2455, 5608), (2804, 4910), (3505, 3928)]