25121840

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1303}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 58695648

約数和(自身を除く): 33573808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1303, 1928, 2410, 2606, 3856, 4820, 5212, 6515, 9640, 10424, 13030, 19280, 20848, 26060, 52120, 104240, 314023, 628046, 1256092, 1570115, 2512184, 3140230, 5024368, 6280460, 12560920, 25121840]

約数ペア:

[(1, 25121840), (2, 12560920), (4, 6280460), (5, 5024368), (8, 3140230), (10, 2512184), (16, 1570115), (20, 1256092), (40, 628046), (80, 314023), (241, 104240), (482, 52120), (964, 26060), (1205, 20848), (1303, 19280), (1928, 13030), (2410, 10424), (2606, 9640), (3856, 6515), (4820, 5212)]