100109920

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1999}}^1$

素因数の和:2327

約数の個数: 48

約数和(自身を含む): 237384000

約数和(自身を除く): 137274080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 1999, 2504, 3130, 3998, 5008, 6260, 7996, 9995, 10016, 12520, 15992, 19990, 25040, 31984, 39980, 50080, 63968, 79960, 159920, 319840, 625687, 1251374, 2502748, 3128435, 5005496, 6256870, 10010992, 12513740, 20021984, 25027480, 50054960, 100109920]

約数ペア:

[(1, 100109920), (2, 50054960), (4, 25027480), (5, 20021984), (8, 12513740), (10, 10010992), (16, 6256870), (20, 5005496), (32, 3128435), (40, 2502748), (80, 1251374), (160, 625687), (313, 319840), (626, 159920), (1252, 79960), (1565, 63968), (1999, 50080), (2504, 39980), (3130, 31984), (3998, 25040), (5008, 19990), (6260, 15992), (7996, 12520), (9995, 10016)]