25886860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 31593332

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 971, 1333, 1942, 2666, 3884, 4855, 5332, 6665, 9710, 13330, 19420, 26660, 30101, 41753, 60202, 83506, 120404, 150505, 167012, 208765, 301010, 417530, 602020, 835060, 1294343, 2588686, 5177372, 6471715, 12943430, 25886860]

約数ペア:

[(1, 25886860), (2, 12943430), (4, 6471715), (5, 5177372), (10, 2588686), (20, 1294343), (31, 835060), (43, 602020), (62, 417530), (86, 301010), (124, 208765), (155, 167012), (172, 150505), (215, 120404), (310, 83506), (430, 60202), (620, 41753), (860, 30101), (971, 26660), (1333, 19420), (1942, 13330), (2666, 9710), (3884, 6665), (4855, 5332)]