220118480

素因数分解:

$2^4\times 5^1\times {\mathrm{2751481}}^1$

素因数の和:2751494

約数の個数: 20

約数和(自身を含む): 511775652

約数和(自身を除く): 291657172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2751481, 5502962, 11005924, 13757405, 22011848, 27514810, 44023696, 55029620, 110059240, 220118480]

約数ペア:

[(1, 220118480), (2, 110059240), (4, 55029620), (5, 44023696), (8, 27514810), (10, 22011848), (16, 13757405), (20, 11005924), (40, 5502962), (80, 2751481)]