129673940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12541}}^1$

素因数の和:12608

約数の個数: 48

約数和(自身を含む): 303416064

約数和(自身を除く): 173742124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12541, 25082, 50164, 62705, 125410, 137951, 250820, 275902, 551804, 589427, 689755, 1178854, 1379510, 2357708, 2759020, 2947135, 5894270, 6483697, 11788540, 12967394, 25934788, 32418485, 64836970, 129673940]

約数ペア:

[(1, 129673940), (2, 64836970), (4, 32418485), (5, 25934788), (10, 12967394), (11, 11788540), (20, 6483697), (22, 5894270), (44, 2947135), (47, 2759020), (55, 2357708), (94, 1379510), (110, 1178854), (188, 689755), (220, 589427), (235, 551804), (470, 275902), (517, 250820), (940, 137951), (1034, 125410), (2068, 62705), (2585, 50164), (5170, 25082), (10340, 12541)]