23903620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 54719280

約数和(自身を除く): 30815660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1033, 1157, 1780, 2066, 2314, 4132, 4628, 5165, 5785, 10330, 11570, 13429, 20660, 23140, 26858, 53716, 67145, 91937, 134290, 183874, 268580, 367748, 459685, 919370, 1195181, 1838740, 2390362, 4780724, 5975905, 11951810, 23903620]

約数ペア:

[(1, 23903620), (2, 11951810), (4, 5975905), (5, 4780724), (10, 2390362), (13, 1838740), (20, 1195181), (26, 919370), (52, 459685), (65, 367748), (89, 268580), (130, 183874), (178, 134290), (260, 91937), (356, 67145), (445, 53716), (890, 26858), (1033, 23140), (1157, 20660), (1780, 13429), (2066, 11570), (2314, 10330), (4132, 5785), (4628, 5165)]