6851620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 15257088

約数和(自身を除く): 8405468

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 257, 310, 430, 514, 620, 860, 1028, 1285, 1333, 2570, 2666, 5140, 5332, 6665, 7967, 11051, 13330, 15934, 22102, 26660, 31868, 39835, 44204, 55255, 79670, 110510, 159340, 221020, 342581, 685162, 1370324, 1712905, 3425810, 6851620]

約数ペア:

[(1, 6851620), (2, 3425810), (4, 1712905), (5, 1370324), (10, 685162), (20, 342581), (31, 221020), (43, 159340), (62, 110510), (86, 79670), (124, 55255), (155, 44204), (172, 39835), (215, 31868), (257, 26660), (310, 22102), (430, 15934), (514, 13330), (620, 11051), (860, 7967), (1028, 6665), (1285, 5332), (1333, 5140), (2570, 2666)]