51394940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 111034560

約数和(自身を除く): 59639620

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 409, 412, 515, 610, 818, 1030, 1220, 1636, 2045, 2060, 4090, 6283, 8180, 12566, 24949, 25132, 31415, 42127, 49898, 62830, 84254, 99796, 124745, 125660, 168508, 210635, 249490, 421270, 498980, 842540, 2569747, 5139494, 10278988, 12848735, 25697470, 51394940]

約数ペア:

[(1, 51394940), (2, 25697470), (4, 12848735), (5, 10278988), (10, 5139494), (20, 2569747), (61, 842540), (103, 498980), (122, 421270), (206, 249490), (244, 210635), (305, 168508), (409, 125660), (412, 124745), (515, 99796), (610, 84254), (818, 62830), (1030, 49898), (1220, 42127), (1636, 31415), (2045, 25132), (2060, 24949), (4090, 12566), (6283, 8180)]