31938280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 81129600

約数和(自身を除く): 49191320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2503, 2552, 3190, 5006, 6380, 10012, 12515, 12760, 20024, 25030, 27533, 50060, 55066, 72587, 100120, 110132, 137665, 145174, 220264, 275330, 290348, 362935, 550660, 580696, 725870, 798457, 1101320, 1451740, 1596914, 2903480, 3193828, 3992285, 6387656, 7984570, 15969140, 31938280]

約数ペア:

[(1, 31938280), (2, 15969140), (4, 7984570), (5, 6387656), (8, 3992285), (10, 3193828), (11, 2903480), (20, 1596914), (22, 1451740), (29, 1101320), (40, 798457), (44, 725870), (55, 580696), (58, 550660), (88, 362935), (110, 290348), (116, 275330), (145, 220264), (220, 145174), (232, 137665), (290, 110132), (319, 100120), (440, 72587), (580, 55066), (638, 50060), (1160, 27533), (1276, 25030), (1595, 20024), (2503, 12760), (2552, 12515), (3190, 10012), (5006, 6380)]