10081780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 22841280

約数和(自身を除く): 12759500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 617, 817, 860, 1234, 1634, 2468, 3085, 3268, 4085, 6170, 8170, 11723, 12340, 16340, 23446, 26531, 46892, 53062, 58615, 106124, 117230, 132655, 234460, 265310, 504089, 530620, 1008178, 2016356, 2520445, 5040890, 10081780]

約数ペア:

[(1, 10081780), (2, 5040890), (4, 2520445), (5, 2016356), (10, 1008178), (19, 530620), (20, 504089), (38, 265310), (43, 234460), (76, 132655), (86, 117230), (95, 106124), (172, 58615), (190, 53062), (215, 46892), (380, 26531), (430, 23446), (617, 16340), (817, 12340), (860, 11723), (1234, 8170), (1634, 6170), (2468, 4085), (3085, 3268)]