8459980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3229}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 17907120

約数和(自身を除く): 9447140

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 3229, 6458, 12916, 16145, 32290, 64580, 422999, 845998, 1691996, 2114995, 4229990, 8459980]

約数ペア:

[(1, 8459980), (2, 4229990), (4, 2114995), (5, 1691996), (10, 845998), (20, 422999), (131, 64580), (262, 32290), (524, 16145), (655, 12916), (1310, 6458), (2620, 3229)]