31321360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55931}}^1$

素因数の和:55951

約数の個数: 40

約数和(自身を含む): 83226816

約数和(自身を除く): 51905456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55931, 111862, 223724, 279655, 391517, 447448, 559310, 783034, 894896, 1118620, 1566068, 1957585, 2237240, 3132136, 3915170, 4474480, 6264272, 7830340, 15660680, 31321360]

約数ペア:

[(1, 31321360), (2, 15660680), (4, 7830340), (5, 6264272), (7, 4474480), (8, 3915170), (10, 3132136), (14, 2237240), (16, 1957585), (20, 1566068), (28, 1118620), (35, 894896), (40, 783034), (56, 559310), (70, 447448), (80, 391517), (112, 279655), (140, 223724), (280, 111862), (560, 55931)]