15938320

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{709}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 37240920

約数和(自身を除く): 21302600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 709, 1124, 1405, 1418, 2248, 2810, 2836, 3545, 4496, 5620, 5672, 7090, 11240, 11344, 14180, 22480, 28360, 56720, 199229, 398458, 796916, 996145, 1593832, 1992290, 3187664, 3984580, 7969160, 15938320]

約数ペア:

[(1, 15938320), (2, 7969160), (4, 3984580), (5, 3187664), (8, 1992290), (10, 1593832), (16, 996145), (20, 796916), (40, 398458), (80, 199229), (281, 56720), (562, 28360), (709, 22480), (1124, 14180), (1405, 11344), (1418, 11240), (2248, 7090), (2810, 5672), (2836, 5620), (3545, 4496)]