31750720

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 76087224

約数和(自身を除く): 44336504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 317, 320, 626, 634, 1252, 1268, 1565, 1585, 2504, 2536, 3130, 3170, 5008, 5072, 6260, 6340, 10016, 10144, 12520, 12680, 20032, 20288, 25040, 25360, 50080, 50720, 99221, 100160, 101440, 198442, 396884, 496105, 793768, 992210, 1587536, 1984420, 3175072, 3968840, 6350144, 7937680, 15875360, 31750720]

約数ペア:

[(1, 31750720), (2, 15875360), (4, 7937680), (5, 6350144), (8, 3968840), (10, 3175072), (16, 1984420), (20, 1587536), (32, 992210), (40, 793768), (64, 496105), (80, 396884), (160, 198442), (313, 101440), (317, 100160), (320, 99221), (626, 50720), (634, 50080), (1252, 25360), (1268, 25040), (1565, 20288), (1585, 20032), (2504, 12680), (2536, 12520), (3130, 10144), (3170, 10016), (5008, 6340), (5072, 6260)]