28030600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10781}}^1$

素因数の和:10810

約数の個数: 48

約数和(自身を含む): 70190820

約数和(自身を除く): 42160220

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 10781, 21562, 43124, 53905, 86248, 107810, 140153, 215620, 269525, 280306, 431240, 539050, 560612, 700765, 1078100, 1121224, 1401530, 2156200, 2803060, 3503825, 5606120, 7007650, 14015300, 28030600]

約数ペア:

[(1, 28030600), (2, 14015300), (4, 7007650), (5, 5606120), (8, 3503825), (10, 2803060), (13, 2156200), (20, 1401530), (25, 1121224), (26, 1078100), (40, 700765), (50, 560612), (52, 539050), (65, 431240), (100, 280306), (104, 269525), (130, 215620), (200, 140153), (260, 107810), (325, 86248), (520, 53905), (650, 43124), (1300, 21562), (2600, 10781)]