102676251620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{306149}}^1$

素因数の和:306608

約数の個数: 48

約数和(自身を含む): 221419926000

約数和(自身を除く): 118743674380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 409, 410, 818, 820, 1636, 2045, 4090, 8180, 16769, 33538, 67076, 83845, 167690, 306149, 335380, 612298, 1224596, 1530745, 3061490, 6122980, 12552109, 25104218, 50208436, 62760545, 125214941, 125521090, 250429882, 251042180, 500859764, 626074705, 1252149410, 2504298820, 5133812581, 10267625162, 20535250324, 25669062905, 51338125810, 102676251620]

約数ペア:

[(1, 102676251620), (2, 51338125810), (4, 25669062905), (5, 20535250324), (10, 10267625162), (20, 5133812581), (41, 2504298820), (82, 1252149410), (164, 626074705), (205, 500859764), (409, 251042180), (410, 250429882), (818, 125521090), (820, 125214941), (1636, 62760545), (2045, 50208436), (4090, 25104218), (8180, 12552109), (16769, 6122980), (33538, 3061490), (67076, 1530745), (83845, 1224596), (167690, 612298), (306149, 335380)]