1325320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 3159000

約数和(自身を除く): 1833680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1949, 3898, 7796, 9745, 15592, 19490, 33133, 38980, 66266, 77960, 132532, 165665, 265064, 331330, 662660, 1325320]

約数ペア:

[(1, 1325320), (2, 662660), (4, 331330), (5, 265064), (8, 165665), (10, 132532), (17, 77960), (20, 66266), (34, 38980), (40, 33133), (68, 19490), (85, 15592), (136, 9745), (170, 7796), (340, 3898), (680, 1949)]