83778580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 182891520

約数和(自身を除く): 99112940

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 1439, 2878, 2911, 5756, 5822, 7195, 11644, 14390, 14555, 28780, 29110, 58220, 58999, 102169, 117998, 204338, 235996, 294995, 408676, 510845, 589990, 1021690, 1179980, 2043380, 4188929, 8377858, 16755716, 20944645, 41889290, 83778580]

約数ペア:

[(1, 83778580), (2, 41889290), (4, 20944645), (5, 16755716), (10, 8377858), (20, 4188929), (41, 2043380), (71, 1179980), (82, 1021690), (142, 589990), (164, 510845), (205, 408676), (284, 294995), (355, 235996), (410, 204338), (710, 117998), (820, 102169), (1420, 58999), (1439, 58220), (2878, 29110), (2911, 28780), (5756, 14555), (5822, 14390), (7195, 11644)]