80391250

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:976

約数の個数: 40

約数和(自身を含む): 152922924

約数和(自身を除く): 72531674

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 250, 365, 625, 730, 881, 1250, 1762, 1825, 3650, 4405, 8810, 9125, 18250, 22025, 44050, 45625, 64313, 91250, 110125, 128626, 220250, 321565, 550625, 643130, 1101250, 1607825, 3215650, 8039125, 16078250, 40195625, 80391250]

約数ペア:

[(1, 80391250), (2, 40195625), (5, 16078250), (10, 8039125), (25, 3215650), (50, 1607825), (73, 1101250), (125, 643130), (146, 550625), (250, 321565), (365, 220250), (625, 128626), (730, 110125), (881, 91250), (1250, 64313), (1762, 45625), (1825, 44050), (3650, 22025), (4405, 18250), (8810, 9125)]