26905000

素因数分解:

$2^3\times 5^4\times {\mathrm{5381}}^1$

素因数の和:5407

約数の個数: 40

約数和(自身を含む): 63050130

約数和(自身を除く): 36145130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5381, 10762, 21524, 26905, 43048, 53810, 107620, 134525, 215240, 269050, 538100, 672625, 1076200, 1345250, 2690500, 3363125, 5381000, 6726250, 13452500, 26905000]

約数ペア:

[(1, 26905000), (2, 13452500), (4, 6726250), (5, 5381000), (8, 3363125), (10, 2690500), (20, 1345250), (25, 1076200), (40, 672625), (50, 538100), (100, 269050), (125, 215240), (200, 134525), (250, 107620), (500, 53810), (625, 43048), (1000, 26905), (1250, 21524), (2500, 10762), (5000, 5381)]