25750120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 64722240

約数和(自身を除く): 38972120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1361, 1720, 1892, 2365, 2722, 3784, 4730, 5444, 6805, 9460, 10888, 13610, 14971, 18920, 27220, 29942, 54440, 58523, 59884, 74855, 117046, 119768, 149710, 234092, 292615, 299420, 468184, 585230, 598840, 643753, 1170460, 1287506, 2340920, 2575012, 3218765, 5150024, 6437530, 12875060, 25750120]

約数ペア:

[(1, 25750120), (2, 12875060), (4, 6437530), (5, 5150024), (8, 3218765), (10, 2575012), (11, 2340920), (20, 1287506), (22, 1170460), (40, 643753), (43, 598840), (44, 585230), (55, 468184), (86, 299420), (88, 292615), (110, 234092), (172, 149710), (215, 119768), (220, 117046), (344, 74855), (430, 59884), (440, 58523), (473, 54440), (860, 29942), (946, 27220), (1361, 18920), (1720, 14971), (1892, 13610), (2365, 10888), (2722, 9460), (3784, 6805), (4730, 5444)]