25882120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 64670400

約数和(自身を除く): 38788280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 997, 1180, 1298, 1994, 2360, 2596, 3245, 3988, 4985, 5192, 6490, 7976, 9970, 10967, 12980, 19940, 21934, 25960, 39880, 43868, 54835, 58823, 87736, 109670, 117646, 219340, 235292, 294115, 438680, 470584, 588230, 647053, 1176460, 1294106, 2352920, 2588212, 3235265, 5176424, 6470530, 12941060, 25882120]

約数ペア:

[(1, 25882120), (2, 12941060), (4, 6470530), (5, 5176424), (8, 3235265), (10, 2588212), (11, 2352920), (20, 1294106), (22, 1176460), (40, 647053), (44, 588230), (55, 470584), (59, 438680), (88, 294115), (110, 235292), (118, 219340), (220, 117646), (236, 109670), (295, 87736), (440, 58823), (472, 54835), (590, 43868), (649, 39880), (997, 25960), (1180, 21934), (1298, 19940), (1994, 12980), (2360, 10967), (2596, 9970), (3245, 7976), (3988, 6490), (4985, 5192)]