84385240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5011}}^1$

素因数の和:5443

約数の個数: 32

約数和(自身を含む): 190355760

約数和(自身を除く): 105970520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5011, 8420, 10022, 16840, 20044, 25055, 40088, 50110, 100220, 200440, 2109631, 4219262, 8438524, 10548155, 16877048, 21096310, 42192620, 84385240]

約数ペア:

[(1, 84385240), (2, 42192620), (4, 21096310), (5, 16877048), (8, 10548155), (10, 8438524), (20, 4219262), (40, 2109631), (421, 200440), (842, 100220), (1684, 50110), (2105, 40088), (3368, 25055), (4210, 20044), (5011, 16840), (8420, 10022)]