26870090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 25626550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1487, 1807, 2974, 3614, 7435, 9035, 14870, 18070, 19331, 38662, 96655, 193310, 206693, 413386, 1033465, 2066930, 2687009, 5374018, 13435045, 26870090]

約数ペア:

[(1, 26870090), (2, 13435045), (5, 5374018), (10, 2687009), (13, 2066930), (26, 1033465), (65, 413386), (130, 206693), (139, 193310), (278, 96655), (695, 38662), (1390, 19331), (1487, 18070), (1807, 14870), (2974, 9035), (3614, 7435)]