16019320

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{719}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 20139080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 719, 1114, 1438, 2228, 2785, 2876, 3595, 4456, 5570, 5752, 7190, 11140, 14380, 22280, 28760, 400483, 800966, 1601932, 2002415, 3203864, 4004830, 8009660, 16019320]

約数ペア:

[(1, 16019320), (2, 8009660), (4, 4004830), (5, 3203864), (8, 2002415), (10, 1601932), (20, 800966), (40, 400483), (557, 28760), (719, 22280), (1114, 14380), (1438, 11140), (2228, 7190), (2785, 5752), (2876, 5570), (3595, 4456)]