55819760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6521}}^1$

素因数の和:6641

約数の個数: 40

約数和(自身を含む): 131013936

約数和(自身を除く): 75194176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 6521, 8560, 13042, 26084, 32605, 52168, 65210, 104336, 130420, 260840, 521680, 697747, 1395494, 2790988, 3488735, 5581976, 6977470, 11163952, 13954940, 27909880, 55819760]

約数ペア:

[(1, 55819760), (2, 27909880), (4, 13954940), (5, 11163952), (8, 6977470), (10, 5581976), (16, 3488735), (20, 2790988), (40, 1395494), (80, 697747), (107, 521680), (214, 260840), (428, 130420), (535, 104336), (856, 65210), (1070, 52168), (1712, 32605), (2140, 26084), (4280, 13042), (6521, 8560)]