15905680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28403}}^1$

素因数の和:28423

約数の個数: 40

約数和(自身を含む): 42265152

約数和(自身を除く): 26359472

約数列:

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

約数ペア:

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