13219120

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 30886416

約数和(自身を除く): 17667296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 443, 746, 886, 1492, 1772, 1865, 2215, 2984, 3544, 3730, 4430, 5968, 7088, 7460, 8860, 14920, 17720, 29840, 35440, 165239, 330478, 660956, 826195, 1321912, 1652390, 2643824, 3304780, 6609560, 13219120]

約数ペア:

[(1, 13219120), (2, 6609560), (4, 3304780), (5, 2643824), (8, 1652390), (10, 1321912), (16, 826195), (20, 660956), (40, 330478), (80, 165239), (373, 35440), (443, 29840), (746, 17720), (886, 14920), (1492, 8860), (1772, 7460), (1865, 7088), (2215, 5968), (2984, 4430), (3544, 3730)]