28801360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51431}}^1$

素因数の和:51451

約数の個数: 40

約数和(自身を含む): 76530816

約数和(自身を除く): 47729456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51431, 102862, 205724, 257155, 360017, 411448, 514310, 720034, 822896, 1028620, 1440068, 1800085, 2057240, 2880136, 3600170, 4114480, 5760272, 7200340, 14400680, 28801360]

約数ペア:

[(1, 28801360), (2, 14400680), (4, 7200340), (5, 5760272), (7, 4114480), (8, 3600170), (10, 2880136), (14, 2057240), (16, 1800085), (20, 1440068), (28, 1028620), (35, 822896), (40, 720034), (56, 514310), (70, 411448), (80, 360017), (112, 257155), (140, 205724), (280, 102862), (560, 51431)]