77792380

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9239}}^1$

素因数の和:9669

約数の個数: 24

約数和(自身を含む): 163769760

約数和(自身を除く): 85977380

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9239, 18478, 36956, 46195, 92390, 184780, 3889619, 7779238, 15558476, 19448095, 38896190, 77792380]

約数ペア:

[(1, 77792380), (2, 38896190), (4, 19448095), (5, 15558476), (10, 7779238), (20, 3889619), (421, 184780), (842, 92390), (1684, 46195), (2105, 36956), (4210, 18478), (8420, 9239)]