1656080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 3904512

約数和(自身を除く): 2248432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 163, 254, 326, 508, 635, 652, 815, 1016, 1270, 1304, 1630, 2032, 2540, 2608, 3260, 5080, 6520, 10160, 13040, 20701, 41402, 82804, 103505, 165608, 207010, 331216, 414020, 828040, 1656080]

約数ペア:

[(1, 1656080), (2, 828040), (4, 414020), (5, 331216), (8, 207010), (10, 165608), (16, 103505), (20, 82804), (40, 41402), (80, 20701), (127, 13040), (163, 10160), (254, 6520), (326, 5080), (508, 3260), (635, 2608), (652, 2540), (815, 2032), (1016, 1630), (1270, 1304)]