16965920

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 23531488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 991, 1070, 1712, 1982, 2140, 3424, 3964, 4280, 4955, 7928, 8560, 9910, 15856, 17120, 19820, 31712, 39640, 79280, 106037, 158560, 212074, 424148, 530185, 848296, 1060370, 1696592, 2120740, 3393184, 4241480, 8482960, 16965920]

約数ペア:

[(1, 16965920), (2, 8482960), (4, 4241480), (5, 3393184), (8, 2120740), (10, 1696592), (16, 1060370), (20, 848296), (32, 530185), (40, 424148), (80, 212074), (107, 158560), (160, 106037), (214, 79280), (428, 39640), (535, 31712), (856, 19820), (991, 17120), (1070, 15856), (1712, 9910), (1982, 8560), (2140, 7928), (3424, 4955), (3964, 4280)]