140912840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11113}}^1$

素因数の和:11441

約数の個数: 32

約数和(自身を含む): 318082680

約数和(自身を除く): 177169840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 11113, 12680, 22226, 44452, 55565, 88904, 111130, 222260, 444520, 3522821, 7045642, 14091284, 17614105, 28182568, 35228210, 70456420, 140912840]

約数ペア:

[(1, 140912840), (2, 70456420), (4, 35228210), (5, 28182568), (8, 17614105), (10, 14091284), (20, 7045642), (40, 3522821), (317, 444520), (634, 222260), (1268, 111130), (1585, 88904), (2536, 55565), (3170, 44452), (6340, 22226), (11113, 12680)]