100131440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5237}}^1$

素因数の和:5489

約数の個数: 40

約数和(自身を含む): 233824320

約数和(自身を除く): 133692880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 5237, 9560, 10474, 19120, 20948, 26185, 41896, 52370, 83792, 104740, 209480, 418960, 1251643, 2503286, 5006572, 6258215, 10013144, 12516430, 20026288, 25032860, 50065720, 100131440]

約数ペア:

[(1, 100131440), (2, 50065720), (4, 25032860), (5, 20026288), (8, 12516430), (10, 10013144), (16, 6258215), (20, 5006572), (40, 2503286), (80, 1251643), (239, 418960), (478, 209480), (956, 104740), (1195, 83792), (1912, 52370), (2390, 41896), (3824, 26185), (4780, 20948), (5237, 19120), (9560, 10474)]