2345680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 5524200

約数和(自身を除く): 3178520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 269, 436, 538, 545, 872, 1076, 1090, 1345, 1744, 2152, 2180, 2690, 4304, 4360, 5380, 8720, 10760, 21520, 29321, 58642, 117284, 146605, 234568, 293210, 469136, 586420, 1172840, 2345680]

約数ペア:

[(1, 2345680), (2, 1172840), (4, 586420), (5, 469136), (8, 293210), (10, 234568), (16, 146605), (20, 117284), (40, 58642), (80, 29321), (109, 21520), (218, 10760), (269, 8720), (436, 5380), (538, 4360), (545, 4304), (872, 2690), (1076, 2180), (1090, 2152), (1345, 1744)]