80994815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 112492800

約数和(自身を除く): 31497985

約数列:

[1, 5, 11, 19, 55, 95, 179, 209, 433, 895, 1045, 1969, 2165, 3401, 4763, 8227, 9845, 17005, 23815, 37411, 41135, 77507, 90497, 187055, 387535, 452485, 852577, 1472633, 4262885, 7363165, 16198963, 80994815]

約数ペア:

[(1, 80994815), (5, 16198963), (11, 7363165), (19, 4262885), (55, 1472633), (95, 852577), (179, 452485), (209, 387535), (433, 187055), (895, 90497), (1045, 77507), (1969, 41135), (2165, 37411), (3401, 23815), (4763, 17005), (8227, 9845)]