80931700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{26107}}^1$

素因数の和:26152

約数の個数: 36

約数和(自身を含む): 181293952

約数和(自身を除く): 100362252

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 26107, 52214, 104428, 130535, 261070, 522140, 652675, 809317, 1305350, 1618634, 2610700, 3237268, 4046585, 8093170, 16186340, 20232925, 40465850, 80931700]

約数ペア:

[(1, 80931700), (2, 40465850), (4, 20232925), (5, 16186340), (10, 8093170), (20, 4046585), (25, 3237268), (31, 2610700), (50, 1618634), (62, 1305350), (100, 809317), (124, 652675), (155, 522140), (310, 261070), (620, 130535), (775, 104428), (1550, 52214), (3100, 26107)]