858902680

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{42689}}^1$

素因数の和:43203

約数の個数: 32

約数和(自身を含む): 1936418400

約数和(自身を除く): 1077515720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 42689, 85378, 170756, 213445, 341512, 426890, 853780, 1707560, 21472567, 42945134, 85890268, 107362835, 171780536, 214725670, 429451340, 858902680]

約数ペア:

[(1, 858902680), (2, 429451340), (4, 214725670), (5, 171780536), (8, 107362835), (10, 85890268), (20, 42945134), (40, 21472567), (503, 1707560), (1006, 853780), (2012, 426890), (2515, 341512), (4024, 213445), (5030, 170756), (10060, 85378), (20120, 42689)]