77201680

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1559}}^1$

素因数の和:2191

約数の個数: 40

約数和(自身を含む): 179899200

約数和(自身を除く): 102697520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1559, 2476, 3095, 3118, 4952, 6190, 6236, 7795, 9904, 12380, 12472, 15590, 24760, 24944, 31180, 49520, 62360, 124720, 965021, 1930042, 3860084, 4825105, 7720168, 9650210, 15440336, 19300420, 38600840, 77201680]

約数ペア:

[(1, 77201680), (2, 38600840), (4, 19300420), (5, 15440336), (8, 9650210), (10, 7720168), (16, 4825105), (20, 3860084), (40, 1930042), (80, 965021), (619, 124720), (1238, 62360), (1559, 49520), (2476, 31180), (3095, 24944), (3118, 24760), (4952, 15590), (6190, 12472), (6236, 12380), (7795, 9904)]