7872140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12697}}^1$

素因数の和:12737

約数の個数: 24

約数和(自身を含む): 17066112

約数和(自身を除く): 9193972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12697, 25394, 50788, 63485, 126970, 253940, 393607, 787214, 1574428, 1968035, 3936070, 7872140]

約数ペア:

[(1, 7872140), (2, 3936070), (4, 1968035), (5, 1574428), (10, 787214), (20, 393607), (31, 253940), (62, 126970), (124, 63485), (155, 50788), (310, 25394), (620, 12697)]