15655240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20599}}^1$

素因数の和:20629

約数の個数: 32

約数和(自身を含む): 37080000

約数和(自身を除く): 21424760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20599, 41198, 82396, 102995, 164792, 205990, 391381, 411980, 782762, 823960, 1565524, 1956905, 3131048, 3913810, 7827620, 15655240]

約数ペア:

[(1, 15655240), (2, 7827620), (4, 3913810), (5, 3131048), (8, 1956905), (10, 1565524), (19, 823960), (20, 782762), (38, 411980), (40, 391381), (76, 205990), (95, 164792), (152, 102995), (190, 82396), (380, 41198), (760, 20599)]