40218568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1427}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 81567360

約数和(自身を除く): 41348792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 1427, 2168, 2854, 3523, 5708, 7046, 11416, 14092, 18551, 28184, 37102, 74204, 148408, 386717, 773434, 1546868, 3093736, 5027321, 10054642, 20109284, 40218568]

約数ペア:

[(1, 40218568), (2, 20109284), (4, 10054642), (8, 5027321), (13, 3093736), (26, 1546868), (52, 773434), (104, 386717), (271, 148408), (542, 74204), (1084, 37102), (1427, 28184), (2168, 18551), (2854, 14092), (3523, 11416), (5708, 7046)]