1566127660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{3109}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 3338647200

約数和(自身を除く): 1772519540

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 283, 356, 445, 566, 890, 1132, 1415, 1780, 2830, 3109, 5660, 6218, 12436, 15545, 25187, 31090, 50374, 62180, 100748, 125935, 251870, 276701, 503740, 553402, 879847, 1106804, 1383505, 1759694, 2767010, 3519388, 4399235, 5534020, 8798470, 17596940, 78306383, 156612766, 313225532, 391531915, 783063830, 1566127660]

約数ペア:

[(1, 1566127660), (2, 783063830), (4, 391531915), (5, 313225532), (10, 156612766), (20, 78306383), (89, 17596940), (178, 8798470), (283, 5534020), (356, 4399235), (445, 3519388), (566, 2767010), (890, 1759694), (1132, 1383505), (1415, 1106804), (1780, 879847), (2830, 553402), (3109, 503740), (5660, 276701), (6218, 251870), (12436, 125935), (15545, 100748), (25187, 62180), (31090, 50374)]