63640540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{138349}}^1$

素因数の和:138381

約数の個数: 24

約数和(自身を含む): 139456800

約数和(自身を除く): 75816260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 138349, 276698, 553396, 691745, 1383490, 2766980, 3182027, 6364054, 12728108, 15910135, 31820270, 63640540]

約数ペア:

[(1, 63640540), (2, 31820270), (4, 15910135), (5, 12728108), (10, 6364054), (20, 3182027), (23, 2766980), (46, 1383490), (92, 691745), (115, 553396), (230, 276698), (460, 138349)]