8318780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10641700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 569, 731, 860, 1138, 1462, 2276, 2845, 2924, 3655, 5690, 7310, 9673, 11380, 14620, 19346, 24467, 38692, 48365, 48934, 96730, 97868, 122335, 193460, 244670, 415939, 489340, 831878, 1663756, 2079695, 4159390, 8318780]

約数ペア:

[(1, 8318780), (2, 4159390), (4, 2079695), (5, 1663756), (10, 831878), (17, 489340), (20, 415939), (34, 244670), (43, 193460), (68, 122335), (85, 97868), (86, 96730), (170, 48934), (172, 48365), (215, 38692), (340, 24467), (430, 19346), (569, 14620), (731, 11380), (860, 9673), (1138, 7310), (1462, 5690), (2276, 3655), (2845, 2924)]