8663840

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 20652408

約数和(自身を除く): 11988568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 313, 346, 626, 692, 865, 1252, 1384, 1565, 1730, 2504, 2768, 3130, 3460, 5008, 5536, 6260, 6920, 10016, 12520, 13840, 25040, 27680, 50080, 54149, 108298, 216596, 270745, 433192, 541490, 866384, 1082980, 1732768, 2165960, 4331920, 8663840]

約数ペア:

[(1, 8663840), (2, 4331920), (4, 2165960), (5, 1732768), (8, 1082980), (10, 866384), (16, 541490), (20, 433192), (32, 270745), (40, 216596), (80, 108298), (160, 54149), (173, 50080), (313, 27680), (346, 25040), (626, 13840), (692, 12520), (865, 10016), (1252, 6920), (1384, 6260), (1565, 5536), (1730, 5008), (2504, 3460), (2768, 3130)]