51539980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 113008896

約数和(自身を除く): 61468916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 857, 970, 1714, 1940, 3007, 3428, 4285, 6014, 8570, 12028, 15035, 17140, 26567, 30070, 53134, 60140, 83129, 106268, 132835, 166258, 265670, 332516, 415645, 531340, 831290, 1662580, 2576999, 5153998, 10307996, 12884995, 25769990, 51539980]

約数ペア:

[(1, 51539980), (2, 25769990), (4, 12884995), (5, 10307996), (10, 5153998), (20, 2576999), (31, 1662580), (62, 831290), (97, 531340), (124, 415645), (155, 332516), (194, 265670), (310, 166258), (388, 132835), (485, 106268), (620, 83129), (857, 60140), (970, 53134), (1714, 30070), (1940, 26567), (3007, 17140), (3428, 15035), (4285, 12028), (6014, 8570)]