9646840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 25090560

約数和(自身を除く): 15443720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 263, 280, 524, 526, 655, 917, 1048, 1052, 1310, 1315, 1834, 1841, 2104, 2620, 2630, 3668, 3682, 4585, 5240, 5260, 7336, 7364, 9170, 9205, 10520, 14728, 18340, 18410, 34453, 36680, 36820, 68906, 73640, 137812, 172265, 241171, 275624, 344530, 482342, 689060, 964684, 1205855, 1378120, 1929368, 2411710, 4823420, 9646840]

約数ペア:

[(1, 9646840), (2, 4823420), (4, 2411710), (5, 1929368), (7, 1378120), (8, 1205855), (10, 964684), (14, 689060), (20, 482342), (28, 344530), (35, 275624), (40, 241171), (56, 172265), (70, 137812), (131, 73640), (140, 68906), (262, 36820), (263, 36680), (280, 34453), (524, 18410), (526, 18340), (655, 14728), (917, 10520), (1048, 9205), (1052, 9170), (1310, 7364), (1315, 7336), (1834, 5260), (1841, 5240), (2104, 4585), (2620, 3682), (2630, 3668)]