16223120

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 37999800

約数和(自身を除く): 21776680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1361, 1490, 2384, 2722, 2980, 5444, 5960, 6805, 10888, 11920, 13610, 21776, 27220, 54440, 108880, 202789, 405578, 811156, 1013945, 1622312, 2027890, 3244624, 4055780, 8111560, 16223120]

約数ペア:

[(1, 16223120), (2, 8111560), (4, 4055780), (5, 3244624), (8, 2027890), (10, 1622312), (16, 1013945), (20, 811156), (40, 405578), (80, 202789), (149, 108880), (298, 54440), (596, 27220), (745, 21776), (1192, 13610), (1361, 11920), (1490, 10888), (2384, 6805), (2722, 5960), (2980, 5444)]