9920440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6703}}^1$

素因数の和:6751

約数の個数: 32

約数和(自身を含む): 22927680

約数和(自身を除く): 13007240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 6703, 13406, 26812, 33515, 53624, 67030, 134060, 248011, 268120, 496022, 992044, 1240055, 1984088, 2480110, 4960220, 9920440]

約数ペア:

[(1, 9920440), (2, 4960220), (4, 2480110), (5, 1984088), (8, 1240055), (10, 992044), (20, 496022), (37, 268120), (40, 248011), (74, 134060), (148, 67030), (185, 53624), (296, 33515), (370, 26812), (740, 13406), (1480, 6703)]