20240720

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^2$

素因数の和:1019

約数の個数: 30

約数和(自身を含む): 47153418

約数和(自身を除く): 26912698

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5030, 8048, 10060, 20120, 40240, 253009, 506018, 1012036, 1265045, 2024072, 2530090, 4048144, 5060180, 10120360, 20240720]

約数ペア:

[(1, 20240720), (2, 10120360), (4, 5060180), (5, 4048144), (8, 2530090), (10, 2024072), (16, 1265045), (20, 1012036), (40, 506018), (80, 253009), (503, 40240), (1006, 20120), (2012, 10060), (2515, 8048), (4024, 5030)]