16880498920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{838991}}^1$

素因数の和:839505

約数の個数: 32

約数和(自身を含む): 38056677120

約数和(自身を除く): 21176178200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 838991, 1677982, 3355964, 4194955, 6711928, 8389910, 16779820, 33559640, 422012473, 844024946, 1688049892, 2110062365, 3376099784, 4220124730, 8440249460, 16880498920]

約数ペア:

[(1, 16880498920), (2, 8440249460), (4, 4220124730), (5, 3376099784), (8, 2110062365), (10, 1688049892), (20, 844024946), (40, 422012473), (503, 33559640), (1006, 16779820), (2012, 8389910), (2515, 6711928), (4024, 4194955), (5030, 3355964), (10060, 1677982), (20120, 838991)]