31000640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8807}}^1$

素因数の和:8835

約数の個数: 56

約数和(自身を含む): 80540352

約数和(自身を除く): 49539712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8807, 17614, 35228, 44035, 70456, 88070, 96877, 140912, 176140, 193754, 281824, 352280, 387508, 484385, 563648, 704560, 775016, 968770, 1409120, 1550032, 1937540, 2818240, 3100064, 3875080, 6200128, 7750160, 15500320, 31000640]

約数ペア:

[(1, 31000640), (2, 15500320), (4, 7750160), (5, 6200128), (8, 3875080), (10, 3100064), (11, 2818240), (16, 1937540), (20, 1550032), (22, 1409120), (32, 968770), (40, 775016), (44, 704560), (55, 563648), (64, 484385), (80, 387508), (88, 352280), (110, 281824), (160, 193754), (176, 176140), (220, 140912), (320, 96877), (352, 88070), (440, 70456), (704, 44035), (880, 35228), (1760, 17614), (3520, 8807)]