39893960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 94798080

約数和(自身を除く): 54904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 421, 460, 515, 824, 842, 920, 1030, 1684, 2060, 2105, 2369, 3368, 4120, 4210, 4738, 8420, 9476, 9683, 11845, 16840, 18952, 19366, 23690, 38732, 43363, 47380, 48415, 77464, 86726, 94760, 96830, 173452, 193660, 216815, 346904, 387320, 433630, 867260, 997349, 1734520, 1994698, 3989396, 4986745, 7978792, 9973490, 19946980, 39893960]

約数ペア:

[(1, 39893960), (2, 19946980), (4, 9973490), (5, 7978792), (8, 4986745), (10, 3989396), (20, 1994698), (23, 1734520), (40, 997349), (46, 867260), (92, 433630), (103, 387320), (115, 346904), (184, 216815), (206, 193660), (230, 173452), (412, 96830), (421, 94760), (460, 86726), (515, 77464), (824, 48415), (842, 47380), (920, 43363), (1030, 38732), (1684, 23690), (2060, 19366), (2105, 18952), (2369, 16840), (3368, 11845), (4120, 9683), (4210, 9476), (4738, 8420)]