1253680520

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{207563}}^1$

素因数の和:207725

約数の個数: 32

約数和(自身を含む): 2839475520

約数和(自身を除く): 1585795000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 207563, 415126, 830252, 1037815, 1660504, 2075630, 4151260, 8302520, 31342013, 62684026, 125368052, 156710065, 250736104, 313420130, 626840260, 1253680520]

約数ペア:

[(1, 1253680520), (2, 626840260), (4, 313420130), (5, 250736104), (8, 156710065), (10, 125368052), (20, 62684026), (40, 31342013), (151, 8302520), (302, 4151260), (604, 2075630), (755, 1660504), (1208, 1037815), (1510, 830252), (3020, 415126), (6040, 207563)]