66343940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2341}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 151480560

約数和(自身を除く): 85136620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2341, 2834, 4682, 5668, 7085, 9364, 11705, 14170, 23410, 28340, 30433, 46820, 60866, 121732, 152165, 255169, 304330, 510338, 608660, 1020676, 1275845, 2551690, 3317197, 5103380, 6634394, 13268788, 16585985, 33171970, 66343940]

約数ペア:

[(1, 66343940), (2, 33171970), (4, 16585985), (5, 13268788), (10, 6634394), (13, 5103380), (20, 3317197), (26, 2551690), (52, 1275845), (65, 1020676), (109, 608660), (130, 510338), (218, 304330), (260, 255169), (436, 152165), (545, 121732), (1090, 60866), (1417, 46820), (2180, 30433), (2341, 28340), (2834, 23410), (4682, 14170), (5668, 11705), (7085, 9364)]