42663980

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4751}}^1$

素因数の和:5209

約数の個数: 24

約数和(自身を含む): 89812800

約数和(自身を除く): 47148820

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 4751, 8980, 9502, 19004, 23755, 47510, 95020, 2133199, 4266398, 8532796, 10665995, 21331990, 42663980]

約数ペア:

[(1, 42663980), (2, 21331990), (4, 10665995), (5, 8532796), (10, 4266398), (20, 2133199), (449, 95020), (898, 47510), (1796, 23755), (2245, 19004), (4490, 9502), (4751, 8980)]