31811360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{28403}}^1$

素因数の和:28425

約数の個数: 48

約数和(自身を含む): 85893696

約数和(自身を除く): 54082336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 28403, 56806, 113612, 142015, 198821, 227224, 284030, 397642, 454448, 568060, 795284, 908896, 994105, 1136120, 1590568, 1988210, 2272240, 3181136, 3976420, 4544480, 6362272, 7952840, 15905680, 31811360]

約数ペア:

[(1, 31811360), (2, 15905680), (4, 7952840), (5, 6362272), (7, 4544480), (8, 3976420), (10, 3181136), (14, 2272240), (16, 1988210), (20, 1590568), (28, 1136120), (32, 994105), (35, 908896), (40, 795284), (56, 568060), (70, 454448), (80, 397642), (112, 284030), (140, 227224), (160, 198821), (224, 142015), (280, 113612), (560, 56806), (1120, 28403)]