159780380

素因数分解:

$2^2\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{2971}}^1$

素因数の和:5669

約数の個数: 24

約数和(自身を含む): 335776560

約数和(自身を除く): 175996180

約数列:

[1, 2, 4, 5, 10, 20, 2689, 2971, 5378, 5942, 10756, 11884, 13445, 14855, 26890, 29710, 53780, 59420, 7989019, 15978038, 31956076, 39945095, 79890190, 159780380]

約数ペア:

[(1, 159780380), (2, 79890190), (4, 39945095), (5, 31956076), (10, 15978038), (20, 7989019), (2689, 59420), (2971, 53780), (5378, 29710), (5942, 26890), (10756, 14855), (11884, 13445)]