15540872020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2411}}^1\times {\mathrm{3191}}^1$

素因数の和:5712

約数の個数: 48

約数和(自身を含む): 32982961536

約数和(自身を除く): 17442089516

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2411, 3191, 4822, 6382, 9644, 12055, 12764, 15955, 24110, 31910, 48220, 63820, 243511, 322291, 487022, 644582, 974044, 1217555, 1289164, 1611455, 2435110, 3222910, 4870220, 6445820, 7693501, 15387002, 30774004, 38467505, 76935010, 153870020, 777043601, 1554087202, 3108174404, 3885218005, 7770436010, 15540872020]

約数ペア:

[(1, 15540872020), (2, 7770436010), (4, 3885218005), (5, 3108174404), (10, 1554087202), (20, 777043601), (101, 153870020), (202, 76935010), (404, 38467505), (505, 30774004), (1010, 15387002), (2020, 7693501), (2411, 6445820), (3191, 4870220), (4822, 3222910), (6382, 2435110), (9644, 1611455), (12055, 1289164), (12764, 1217555), (15955, 974044), (24110, 644582), (31910, 487022), (48220, 322291), (63820, 243511)]