8891240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11699}}^1$

素因数の和:11729

約数の個数: 32

約数和(自身を含む): 21060000

約数和(自身を除く): 12168760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11699, 23398, 46796, 58495, 93592, 116990, 222281, 233980, 444562, 467960, 889124, 1111405, 1778248, 2222810, 4445620, 8891240]

約数ペア:

[(1, 8891240), (2, 4445620), (4, 2222810), (5, 1778248), (8, 1111405), (10, 889124), (19, 467960), (20, 444562), (38, 233980), (40, 222281), (76, 116990), (95, 93592), (152, 58495), (190, 46796), (380, 23398), (760, 11699)]