9995120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1213}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 23483616

約数和(自身を除く): 13488496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1213, 1648, 2060, 2426, 4120, 4852, 6065, 8240, 9704, 12130, 19408, 24260, 48520, 97040, 124939, 249878, 499756, 624695, 999512, 1249390, 1999024, 2498780, 4997560, 9995120]

約数ペア:

[(1, 9995120), (2, 4997560), (4, 2498780), (5, 1999024), (8, 1249390), (10, 999512), (16, 624695), (20, 499756), (40, 249878), (80, 124939), (103, 97040), (206, 48520), (412, 24260), (515, 19408), (824, 12130), (1030, 9704), (1213, 8240), (1648, 6065), (2060, 4852), (2426, 4120)]