39654640

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3041}}^1$

素因数の和:3217

約数の個数: 40

約数和(自身を含む): 92793168

約数和(自身を除く): 53138528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3041, 3260, 6082, 6520, 12164, 13040, 15205, 24328, 30410, 48656, 60820, 121640, 243280, 495683, 991366, 1982732, 2478415, 3965464, 4956830, 7930928, 9913660, 19827320, 39654640]

約数ペア:

[(1, 39654640), (2, 19827320), (4, 9913660), (5, 7930928), (8, 4956830), (10, 3965464), (16, 2478415), (20, 1982732), (40, 991366), (80, 495683), (163, 243280), (326, 121640), (652, 60820), (815, 48656), (1304, 30410), (1630, 24328), (2608, 15205), (3041, 13040), (3260, 12164), (6082, 6520)]