4867220

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{613}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 10263624

約数和(自身を除く): 5396404

約数列:

[1, 2, 4, 5, 10, 20, 397, 613, 794, 1226, 1588, 1985, 2452, 3065, 3970, 6130, 7940, 12260, 243361, 486722, 973444, 1216805, 2433610, 4867220]

約数ペア:

[(1, 4867220), (2, 2433610), (4, 1216805), (5, 973444), (10, 486722), (20, 243361), (397, 12260), (613, 7940), (794, 6130), (1226, 3970), (1588, 3065), (1985, 2452)]