40813520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2484

約数の個数: 80

約数和(自身を含む): 109010880

約数和(自身を除く): 68197360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 2441, 3344, 4180, 4882, 8360, 9764, 12205, 16720, 19528, 24410, 26851, 39056, 46379, 48820, 53702, 92758, 97640, 107404, 134255, 185516, 195280, 214808, 231895, 268510, 371032, 429616, 463790, 510169, 537020, 742064, 927580, 1020338, 1074040, 1855160, 2040676, 2148080, 2550845, 3710320, 4081352, 5101690, 8162704, 10203380, 20406760, 40813520]

約数ペア:

[(1, 40813520), (2, 20406760), (4, 10203380), (5, 8162704), (8, 5101690), (10, 4081352), (11, 3710320), (16, 2550845), (19, 2148080), (20, 2040676), (22, 1855160), (38, 1074040), (40, 1020338), (44, 927580), (55, 742064), (76, 537020), (80, 510169), (88, 463790), (95, 429616), (110, 371032), (152, 268510), (176, 231895), (190, 214808), (209, 195280), (220, 185516), (304, 134255), (380, 107404), (418, 97640), (440, 92758), (760, 53702), (836, 48820), (880, 46379), (1045, 39056), (1520, 26851), (1672, 24410), (2090, 19528), (2441, 16720), (3344, 12205), (4180, 9764), (4882, 8360)]