8642570

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 16156800

約数和(自身を除く): 7514230

約数列:

[1, 2, 5, 10, 43, 86, 101, 199, 202, 215, 398, 430, 505, 995, 1010, 1990, 4343, 8557, 8686, 17114, 20099, 21715, 40198, 42785, 43430, 85570, 100495, 200990, 864257, 1728514, 4321285, 8642570]

約数ペア:

[(1, 8642570), (2, 4321285), (5, 1728514), (10, 864257), (43, 200990), (86, 100495), (101, 85570), (199, 43430), (202, 42785), (215, 40198), (398, 21715), (430, 20099), (505, 17114), (995, 8686), (1010, 8557), (1990, 4343)]