13401640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 35976960

約数和(自身を除く): 22575320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2081, 3220, 4162, 6440, 8324, 10405, 14567, 16648, 20810, 29134, 41620, 47863, 58268, 72835, 83240, 95726, 116536, 145670, 191452, 239315, 291340, 335041, 382904, 478630, 582680, 670082, 957260, 1340164, 1675205, 1914520, 2680328, 3350410, 6700820, 13401640]

約数ペア:

[(1, 13401640), (2, 6700820), (4, 3350410), (5, 2680328), (7, 1914520), (8, 1675205), (10, 1340164), (14, 957260), (20, 670082), (23, 582680), (28, 478630), (35, 382904), (40, 335041), (46, 291340), (56, 239315), (70, 191452), (92, 145670), (115, 116536), (140, 95726), (161, 83240), (184, 72835), (230, 58268), (280, 47863), (322, 41620), (460, 29134), (644, 20810), (805, 16648), (920, 14567), (1288, 10405), (1610, 8324), (2081, 6440), (3220, 4162)]