30812140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49697}}^1$

素因数の和:49737

約数の個数: 24

約数和(自身を含む): 66794112

約数和(自身を除く): 35981972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49697, 99394, 198788, 248485, 496970, 993940, 1540607, 3081214, 6162428, 7703035, 15406070, 30812140]

約数ペア:

[(1, 30812140), (2, 15406070), (4, 7703035), (5, 6162428), (10, 3081214), (20, 1540607), (31, 993940), (62, 496970), (124, 248485), (155, 198788), (310, 99394), (620, 49697)]