40472860

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4507}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 85201200

約数和(自身を除く): 44728340

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 4507, 8980, 9014, 18028, 22535, 45070, 90140, 2023643, 4047286, 8094572, 10118215, 20236430, 40472860]

約数ペア:

[(1, 40472860), (2, 20236430), (4, 10118215), (5, 8094572), (10, 4047286), (20, 2023643), (449, 90140), (898, 45070), (1796, 22535), (2245, 18028), (4490, 9014), (4507, 8980)]