10817980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4129}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 22896720

約数和(自身を除く): 12078740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4129, 8258, 16516, 20645, 41290, 82580, 540899, 1081798, 2163596, 2704495, 5408990, 10817980]

約数ペア:

[(1, 10817980), (2, 5408990), (4, 2704495), (5, 2163596), (10, 1081798), (20, 540899), (131, 82580), (262, 41290), (524, 20645), (655, 16516), (1310, 8258), (2620, 4129)]