1994792020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{58567}}^1$

素因数の和:58720

約数の個数: 48

約数和(自身を含む): 4545813888

約数和(自身を除く): 2551021868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 34060, 58567, 117134, 234268, 292835, 585670, 761371, 1171340, 1522742, 3045484, 3806855, 7613710, 7672277, 15227420, 15344554, 30689108, 38361385, 76722770, 99739601, 153445540, 199479202, 398958404, 498698005, 997396010, 1994792020]

約数ペア:

[(1, 1994792020), (2, 997396010), (4, 498698005), (5, 398958404), (10, 199479202), (13, 153445540), (20, 99739601), (26, 76722770), (52, 38361385), (65, 30689108), (130, 15344554), (131, 15227420), (260, 7672277), (262, 7613710), (524, 3806855), (655, 3045484), (1310, 1522742), (1703, 1171340), (2620, 761371), (3406, 585670), (6812, 292835), (8515, 234268), (17030, 117134), (34060, 58567)]