51099940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 111195504

約数和(自身を除く): 60095564

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 617, 820, 1010, 1234, 2020, 2468, 3085, 4141, 6170, 8282, 12340, 16564, 20705, 25297, 41410, 50594, 62317, 82820, 101188, 124634, 126485, 249268, 252970, 311585, 505940, 623170, 1246340, 2554997, 5109994, 10219988, 12774985, 25549970, 51099940]

約数ペア:

[(1, 51099940), (2, 25549970), (4, 12774985), (5, 10219988), (10, 5109994), (20, 2554997), (41, 1246340), (82, 623170), (101, 505940), (164, 311585), (202, 252970), (205, 249268), (404, 126485), (410, 124634), (505, 101188), (617, 82820), (820, 62317), (1010, 50594), (1234, 41410), (2020, 25297), (2468, 20705), (3085, 16564), (4141, 12340), (6170, 8282)]