159647560

素因数分解:

$2^3\times 5^1\times {\mathrm{3991189}}^1$

素因数の和:3991200

約数の個数: 16

約数和(自身を含む): 359207100

約数和(自身を除く): 199559540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3991189, 7982378, 15964756, 19955945, 31929512, 39911890, 79823780, 159647560]

約数ペア:

[(1, 159647560), (2, 79823780), (4, 39911890), (5, 31929512), (8, 19955945), (10, 15964756), (20, 7982378), (40, 3991189)]