82876280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11447}}^1$

素因数の和:11639

約数の個数: 32

約数和(自身を含む): 187518240

約数和(自身を除く): 104641960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 11447, 22894, 45788, 57235, 91576, 114470, 228940, 457880, 2071907, 4143814, 8287628, 10359535, 16575256, 20719070, 41438140, 82876280]

約数ペア:

[(1, 82876280), (2, 41438140), (4, 20719070), (5, 16575256), (8, 10359535), (10, 8287628), (20, 4143814), (40, 2071907), (181, 457880), (362, 228940), (724, 114470), (905, 91576), (1448, 57235), (1810, 45788), (3620, 22894), (7240, 11447)]