24986980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 55177920

約数和(自身を除く): 30190940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 643, 670, 1286, 1340, 1943, 2572, 3215, 3886, 6430, 7772, 9715, 12860, 18647, 19430, 37294, 38860, 43081, 74588, 86162, 93235, 172324, 186470, 215405, 372940, 430810, 861620, 1249349, 2498698, 4997396, 6246745, 12493490, 24986980]

約数ペア:

[(1, 24986980), (2, 12493490), (4, 6246745), (5, 4997396), (10, 2498698), (20, 1249349), (29, 861620), (58, 430810), (67, 372940), (116, 215405), (134, 186470), (145, 172324), (268, 93235), (290, 86162), (335, 74588), (580, 43081), (643, 38860), (670, 37294), (1286, 19430), (1340, 18647), (1943, 12860), (2572, 9715), (3215, 7772), (3886, 6430)]