39311620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 85349376

約数和(自身を除く): 46037756

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 251, 382, 410, 502, 764, 820, 955, 1004, 1255, 1910, 2510, 3820, 5020, 7831, 10291, 15662, 20582, 31324, 39155, 41164, 47941, 51455, 78310, 95882, 102910, 156620, 191764, 205820, 239705, 479410, 958820, 1965581, 3931162, 7862324, 9827905, 19655810, 39311620]

約数ペア:

[(1, 39311620), (2, 19655810), (4, 9827905), (5, 7862324), (10, 3931162), (20, 1965581), (41, 958820), (82, 479410), (164, 239705), (191, 205820), (205, 191764), (251, 156620), (382, 102910), (410, 95882), (502, 78310), (764, 51455), (820, 47941), (955, 41164), (1004, 39155), (1255, 31324), (1910, 20582), (2510, 15662), (3820, 10291), (5020, 7831)]