27232760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 36634120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 223, 284, 344, 355, 430, 446, 568, 710, 860, 892, 1115, 1420, 1720, 1784, 2230, 2840, 3053, 4460, 6106, 8920, 9589, 12212, 15265, 15833, 19178, 24424, 30530, 31666, 38356, 47945, 61060, 63332, 76712, 79165, 95890, 122120, 126664, 158330, 191780, 316660, 383560, 633320, 680819, 1361638, 2723276, 3404095, 5446552, 6808190, 13616380, 27232760]

約数ペア:

[(1, 27232760), (2, 13616380), (4, 6808190), (5, 5446552), (8, 3404095), (10, 2723276), (20, 1361638), (40, 680819), (43, 633320), (71, 383560), (86, 316660), (142, 191780), (172, 158330), (215, 126664), (223, 122120), (284, 95890), (344, 79165), (355, 76712), (430, 63332), (446, 61060), (568, 47945), (710, 38356), (860, 31666), (892, 30530), (1115, 24424), (1420, 19178), (1720, 15833), (1784, 15265), (2230, 12212), (2840, 9589), (3053, 8920), (4460, 6106)]