2016862840

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{191717}}^1$

素因数の和:191991

約数の個数: 32

約数和(自身を含む): 4555219680

約数和(自身を除く): 2538356840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 191717, 383434, 766868, 958585, 1533736, 1917170, 3834340, 7668680, 50421571, 100843142, 201686284, 252107855, 403372568, 504215710, 1008431420, 2016862840]

約数ペア:

[(1, 2016862840), (2, 1008431420), (4, 504215710), (5, 403372568), (8, 252107855), (10, 201686284), (20, 100843142), (40, 50421571), (263, 7668680), (526, 3834340), (1052, 1917170), (1315, 1533736), (2104, 958585), (2630, 766868), (5260, 383434), (10520, 191717)]