1791920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 4489296

約数和(自身を除く): 2697376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1723, 3446, 6892, 8615, 13784, 17230, 22399, 27568, 34460, 44798, 68920, 89596, 111995, 137840, 179192, 223990, 358384, 447980, 895960, 1791920]

約数ペア:

[(1, 1791920), (2, 895960), (4, 447980), (5, 358384), (8, 223990), (10, 179192), (13, 137840), (16, 111995), (20, 89596), (26, 68920), (40, 44798), (52, 34460), (65, 27568), (80, 22399), (104, 17230), (130, 13784), (208, 8615), (260, 6892), (520, 3446), (1040, 1723)]