31589680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9631}}^1$

素因数の和:9685

約数の個数: 40

約数和(自身を含む): 75245184

約数和(自身を除く): 43655504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9631, 19262, 38524, 48155, 77048, 96310, 154096, 192620, 385240, 394871, 770480, 789742, 1579484, 1974355, 3158968, 3948710, 6317936, 7897420, 15794840, 31589680]

約数ペア:

[(1, 31589680), (2, 15794840), (4, 7897420), (5, 6317936), (8, 3948710), (10, 3158968), (16, 1974355), (20, 1579484), (40, 789742), (41, 770480), (80, 394871), (82, 385240), (164, 192620), (205, 154096), (328, 96310), (410, 77048), (656, 48155), (820, 38524), (1640, 19262), (3280, 9631)]