25980220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9767}}^1$

素因数の和:9802

約数の個数: 48

約数和(自身を含む): 65640960

約数和(自身を除く): 39660740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 9767, 19534, 39068, 48835, 68369, 97670, 136738, 185573, 195340, 273476, 341845, 371146, 683690, 742292, 927865, 1299011, 1367380, 1855730, 2598022, 3711460, 5196044, 6495055, 12990110, 25980220]

約数ペア:

[(1, 25980220), (2, 12990110), (4, 6495055), (5, 5196044), (7, 3711460), (10, 2598022), (14, 1855730), (19, 1367380), (20, 1299011), (28, 927865), (35, 742292), (38, 683690), (70, 371146), (76, 341845), (95, 273476), (133, 195340), (140, 185573), (190, 136738), (266, 97670), (380, 68369), (532, 48835), (665, 39068), (1330, 19534), (2660, 9767)]