82558640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10639}}^1$

素因数の和:10749

約数の個数: 40

約数和(自身を含む): 193945920

約数和(自身を除く): 111387280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10639, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 425560, 851120, 1031983, 2063966, 4127932, 5159915, 8255864, 10319830, 16511728, 20639660, 41279320, 82558640]

約数ペア:

[(1, 82558640), (2, 41279320), (4, 20639660), (5, 16511728), (8, 10319830), (10, 8255864), (16, 5159915), (20, 4127932), (40, 2063966), (80, 1031983), (97, 851120), (194, 425560), (388, 212780), (485, 170224), (776, 106390), (970, 85112), (1552, 53195), (1940, 42556), (3880, 21278), (7760, 10639)]