53905000

素因数分解:

$2^3\times 5^4\times {\mathrm{10781}}^1$

素因数の和:10807

約数の個数: 40

約数和(自身を含む): 126311130

約数和(自身を除く): 72406130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 10781, 21562, 43124, 53905, 86248, 107810, 215620, 269525, 431240, 539050, 1078100, 1347625, 2156200, 2695250, 5390500, 6738125, 10781000, 13476250, 26952500, 53905000]

約数ペア:

[(1, 53905000), (2, 26952500), (4, 13476250), (5, 10781000), (8, 6738125), (10, 5390500), (20, 2695250), (25, 2156200), (40, 1347625), (50, 1078100), (100, 539050), (125, 431240), (200, 269525), (250, 215620), (500, 107810), (625, 86248), (1000, 53905), (1250, 43124), (2500, 21562), (5000, 10781)]