64219240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84499}}^1$

素因数の和:84529

約数の個数: 32

約数和(自身を含む): 152100000

約数和(自身を除く): 87880760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84499, 168998, 337996, 422495, 675992, 844990, 1605481, 1689980, 3210962, 3379960, 6421924, 8027405, 12843848, 16054810, 32109620, 64219240]

約数ペア:

[(1, 64219240), (2, 32109620), (4, 16054810), (5, 12843848), (8, 8027405), (10, 6421924), (19, 3379960), (20, 3210962), (38, 1689980), (40, 1605481), (76, 844990), (95, 675992), (152, 422495), (190, 337996), (380, 168998), (760, 84499)]