10980400

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 60

約数和(自身を含む): 26746552

約数和(自身を除く): 15766152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 283, 388, 400, 485, 566, 776, 970, 1132, 1415, 1552, 1940, 2264, 2425, 2830, 3880, 4528, 4850, 5660, 7075, 7760, 9700, 11320, 14150, 19400, 22640, 27451, 28300, 38800, 54902, 56600, 109804, 113200, 137255, 219608, 274510, 439216, 549020, 686275, 1098040, 1372550, 2196080, 2745100, 5490200, 10980400]

約数ペア:

[(1, 10980400), (2, 5490200), (4, 2745100), (5, 2196080), (8, 1372550), (10, 1098040), (16, 686275), (20, 549020), (25, 439216), (40, 274510), (50, 219608), (80, 137255), (97, 113200), (100, 109804), (194, 56600), (200, 54902), (283, 38800), (388, 28300), (400, 27451), (485, 22640), (566, 19400), (776, 14150), (970, 11320), (1132, 9700), (1415, 7760), (1552, 7075), (1940, 5660), (2264, 4850), (2425, 4528), (2830, 3880)]