126382840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44501}}^1$

素因数の和:44583

約数の個数: 32

約数和(自身を含む): 288372960

約数和(自身を除く): 161990120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 44501, 89002, 178004, 222505, 356008, 445010, 890020, 1780040, 3159571, 6319142, 12638284, 15797855, 25276568, 31595710, 63191420, 126382840]

約数ペア:

[(1, 126382840), (2, 63191420), (4, 31595710), (5, 25276568), (8, 15797855), (10, 12638284), (20, 6319142), (40, 3159571), (71, 1780040), (142, 890020), (284, 445010), (355, 356008), (568, 222505), (710, 178004), (1420, 89002), (2840, 44501)]