31332940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 68753664

約数和(自身を除く): 37420724

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 521, 620, 970, 1042, 1940, 2084, 2605, 3007, 5210, 6014, 10420, 12028, 15035, 16151, 30070, 32302, 50537, 60140, 64604, 80755, 101074, 161510, 202148, 252685, 323020, 505370, 1010740, 1566647, 3133294, 6266588, 7833235, 15666470, 31332940]

約数ペア:

[(1, 31332940), (2, 15666470), (4, 7833235), (5, 6266588), (10, 3133294), (20, 1566647), (31, 1010740), (62, 505370), (97, 323020), (124, 252685), (155, 202148), (194, 161510), (310, 101074), (388, 80755), (485, 64604), (521, 60140), (620, 50537), (970, 32302), (1042, 30070), (1940, 16151), (2084, 15035), (2605, 12028), (3007, 10420), (5210, 6014)]