40355920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 80

約数和(自身を含む): 103475520

約数和(自身を除く): 63119600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 379, 440, 484, 605, 758, 880, 968, 1210, 1331, 1516, 1895, 1936, 2420, 2662, 3032, 3790, 4169, 4840, 5324, 6064, 6655, 7580, 8338, 9680, 10648, 13310, 15160, 16676, 20845, 21296, 26620, 30320, 33352, 41690, 45859, 53240, 66704, 83380, 91718, 106480, 166760, 183436, 229295, 333520, 366872, 458590, 504449, 733744, 917180, 1008898, 1834360, 2017796, 2522245, 3668720, 4035592, 5044490, 8071184, 10088980, 20177960, 40355920]

約数ペア:

[(1, 40355920), (2, 20177960), (4, 10088980), (5, 8071184), (8, 5044490), (10, 4035592), (11, 3668720), (16, 2522245), (20, 2017796), (22, 1834360), (40, 1008898), (44, 917180), (55, 733744), (80, 504449), (88, 458590), (110, 366872), (121, 333520), (176, 229295), (220, 183436), (242, 166760), (379, 106480), (440, 91718), (484, 83380), (605, 66704), (758, 53240), (880, 45859), (968, 41690), (1210, 33352), (1331, 30320), (1516, 26620), (1895, 21296), (1936, 20845), (2420, 16676), (2662, 15160), (3032, 13310), (3790, 10648), (4169, 9680), (4840, 8338), (5324, 7580), (6064, 6655)]