13728040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11071}}^1$

素因数の和:11113

約数の個数: 32

約数和(自身を含む): 31887360

約数和(自身を除く): 18159320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11071, 22142, 44284, 55355, 88568, 110710, 221420, 343201, 442840, 686402, 1372804, 1716005, 2745608, 3432010, 6864020, 13728040]

約数ペア:

[(1, 13728040), (2, 6864020), (4, 3432010), (5, 2745608), (8, 1716005), (10, 1372804), (20, 686402), (31, 442840), (40, 343201), (62, 221420), (124, 110710), (155, 88568), (248, 55355), (310, 44284), (620, 22142), (1240, 11071)]