131365240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{172849}}^1$

素因数の和:172879

約数の個数: 32

約数和(自身を含む): 311130000

約数和(自身を除く): 179764760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 172849, 345698, 691396, 864245, 1382792, 1728490, 3284131, 3456980, 6568262, 6913960, 13136524, 16420655, 26273048, 32841310, 65682620, 131365240]

約数ペア:

[(1, 131365240), (2, 65682620), (4, 32841310), (5, 26273048), (8, 16420655), (10, 13136524), (19, 6913960), (20, 6568262), (38, 3456980), (40, 3284131), (76, 1728490), (95, 1382792), (152, 864245), (190, 691396), (380, 345698), (760, 172849)]