26981000

素因数分解:

$2^3\times 5^3\times {\mathrm{26981}}^1$

素因数の和:27002

約数の個数: 32

約数和(自身を含む): 63137880

約数和(自身を除く): 36156880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 26981, 53962, 107924, 134905, 215848, 269810, 539620, 674525, 1079240, 1349050, 2698100, 3372625, 5396200, 6745250, 13490500, 26981000]

約数ペア:

[(1, 26981000), (2, 13490500), (4, 6745250), (5, 5396200), (8, 3372625), (10, 2698100), (20, 1349050), (25, 1079240), (40, 674525), (50, 539620), (100, 269810), (125, 215848), (200, 134905), (250, 107924), (500, 53962), (1000, 26981)]