8897720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 21954240

約数和(自身を除く): 13056520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 241, 260, 284, 355, 482, 520, 568, 710, 923, 964, 1205, 1420, 1846, 1928, 2410, 2840, 3133, 3692, 4615, 4820, 6266, 7384, 9230, 9640, 12532, 15665, 17111, 18460, 25064, 31330, 34222, 36920, 62660, 68444, 85555, 125320, 136888, 171110, 222443, 342220, 444886, 684440, 889772, 1112215, 1779544, 2224430, 4448860, 8897720]

約数ペア:

[(1, 8897720), (2, 4448860), (4, 2224430), (5, 1779544), (8, 1112215), (10, 889772), (13, 684440), (20, 444886), (26, 342220), (40, 222443), (52, 171110), (65, 136888), (71, 125320), (104, 85555), (130, 68444), (142, 62660), (241, 36920), (260, 34222), (284, 31330), (355, 25064), (482, 18460), (520, 17111), (568, 15665), (710, 12532), (923, 9640), (964, 9230), (1205, 7384), (1420, 6266), (1846, 4820), (1928, 4615), (2410, 3692), (2840, 3133)]