31742140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51197}}^1$

素因数の和:51237

約数の個数: 24

約数和(自身を含む): 68810112

約数和(自身を除く): 37067972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 51197, 102394, 204788, 255985, 511970, 1023940, 1587107, 3174214, 6348428, 7935535, 15871070, 31742140]

約数ペア:

[(1, 31742140), (2, 15871070), (4, 7935535), (5, 6348428), (10, 3174214), (20, 1587107), (31, 1023940), (62, 511970), (124, 255985), (155, 204788), (310, 102394), (620, 51197)]