63991360

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 153107136

約数和(自身を除く): 89115776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 643, 1244, 1286, 1555, 2488, 2572, 3110, 3215, 4976, 5144, 6220, 6430, 9952, 10288, 12440, 12860, 19904, 20576, 24880, 25720, 41152, 49760, 51440, 99520, 102880, 199973, 205760, 399946, 799892, 999865, 1599784, 1999730, 3199568, 3999460, 6399136, 7998920, 12798272, 15997840, 31995680, 63991360]

約数ペア:

[(1, 63991360), (2, 31995680), (4, 15997840), (5, 12798272), (8, 7998920), (10, 6399136), (16, 3999460), (20, 3199568), (32, 1999730), (40, 1599784), (64, 999865), (80, 799892), (160, 399946), (311, 205760), (320, 199973), (622, 102880), (643, 99520), (1244, 51440), (1286, 49760), (1555, 41152), (2488, 25720), (2572, 24880), (3110, 20576), (3215, 19904), (4976, 12860), (5144, 12440), (6220, 10288), (6430, 9952)]