31995680

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 75950784

約数和(自身を除く): 43955104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 643, 1244, 1286, 1555, 2488, 2572, 3110, 3215, 4976, 5144, 6220, 6430, 9952, 10288, 12440, 12860, 20576, 24880, 25720, 49760, 51440, 102880, 199973, 399946, 799892, 999865, 1599784, 1999730, 3199568, 3999460, 6399136, 7998920, 15997840, 31995680]

約数ペア:

[(1, 31995680), (2, 15997840), (4, 7998920), (5, 6399136), (8, 3999460), (10, 3199568), (16, 1999730), (20, 1599784), (32, 999865), (40, 799892), (80, 399946), (160, 199973), (311, 102880), (622, 51440), (643, 49760), (1244, 25720), (1286, 24880), (1555, 20576), (2488, 12860), (2572, 12440), (3110, 10288), (3215, 9952), (4976, 6430), (5144, 6220)]