13491980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11059}}^1$

素因数の和:11129

約数の個数: 24

約数和(自身を含む): 28800240

約数和(自身を除く): 15308260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11059, 22118, 44236, 55295, 110590, 221180, 674599, 1349198, 2698396, 3372995, 6745990, 13491980]

約数ペア:

[(1, 13491980), (2, 6745990), (4, 3372995), (5, 2698396), (10, 1349198), (20, 674599), (61, 221180), (122, 110590), (244, 55295), (305, 44236), (610, 22118), (1220, 11059)]