55863440

素因数分解:

$2^4\times 5^1\times {\mathrm{698293}}^1$

素因数の和:698306

約数の個数: 20

約数和(自身を含む): 129882684

約数和(自身を除く): 74019244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 698293, 1396586, 2793172, 3491465, 5586344, 6982930, 11172688, 13965860, 27931720, 55863440]

約数ペア:

[(1, 55863440), (2, 27931720), (4, 13965860), (5, 11172688), (8, 6982930), (10, 5586344), (16, 3491465), (20, 2793172), (40, 1396586), (80, 698293)]