2650160

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 6230256

約数和(自身を除く): 3580096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 211, 314, 422, 628, 785, 844, 1055, 1256, 1570, 1688, 2110, 2512, 3140, 3376, 4220, 6280, 8440, 12560, 16880, 33127, 66254, 132508, 165635, 265016, 331270, 530032, 662540, 1325080, 2650160]

約数ペア:

[(1, 2650160), (2, 1325080), (4, 662540), (5, 530032), (8, 331270), (10, 265016), (16, 165635), (20, 132508), (40, 66254), (80, 33127), (157, 16880), (211, 12560), (314, 8440), (422, 6280), (628, 4220), (785, 3376), (844, 3140), (1055, 2512), (1256, 2110), (1570, 1688)]