25338460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 63715680

約数和(自身を除く): 38377220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 79, 116, 140, 145, 158, 203, 290, 316, 395, 406, 553, 580, 790, 812, 1015, 1106, 1580, 2030, 2212, 2291, 2765, 4060, 4582, 5530, 6241, 9164, 11060, 11455, 12482, 16037, 22910, 24964, 31205, 32074, 43687, 45820, 62410, 64148, 80185, 87374, 124820, 160370, 174748, 180989, 218435, 320740, 361978, 436870, 723956, 873740, 904945, 1266923, 1809890, 2533846, 3619780, 5067692, 6334615, 12669230, 25338460]

約数ペア:

[(1, 25338460), (2, 12669230), (4, 6334615), (5, 5067692), (7, 3619780), (10, 2533846), (14, 1809890), (20, 1266923), (28, 904945), (29, 873740), (35, 723956), (58, 436870), (70, 361978), (79, 320740), (116, 218435), (140, 180989), (145, 174748), (158, 160370), (203, 124820), (290, 87374), (316, 80185), (395, 64148), (406, 62410), (553, 45820), (580, 43687), (790, 32074), (812, 31205), (1015, 24964), (1106, 22910), (1580, 16037), (2030, 12482), (2212, 11455), (2291, 11060), (2765, 9164), (4060, 6241), (4582, 5530)]