85817840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11059}}^1$

素因数の和:11169

約数の個数: 40

約数和(自身を含む): 201601680

約数和(自身を除く): 115783840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11059, 22118, 44236, 55295, 88472, 110590, 176944, 221180, 442360, 884720, 1072723, 2145446, 4290892, 5363615, 8581784, 10727230, 17163568, 21454460, 42908920, 85817840]

約数ペア:

[(1, 85817840), (2, 42908920), (4, 21454460), (5, 17163568), (8, 10727230), (10, 8581784), (16, 5363615), (20, 4290892), (40, 2145446), (80, 1072723), (97, 884720), (194, 442360), (388, 221180), (485, 176944), (776, 110590), (970, 88472), (1552, 55295), (1940, 44236), (3880, 22118), (7760, 11059)]