82371920

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1039}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 191892480

約数和(自身を除く): 109520560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1039, 1982, 2078, 3964, 4156, 4955, 5195, 7928, 8312, 9910, 10390, 15856, 16624, 19820, 20780, 39640, 41560, 79280, 83120, 1029649, 2059298, 4118596, 5148245, 8237192, 10296490, 16474384, 20592980, 41185960, 82371920]

約数ペア:

[(1, 82371920), (2, 41185960), (4, 20592980), (5, 16474384), (8, 10296490), (10, 8237192), (16, 5148245), (20, 4118596), (40, 2059298), (80, 1029649), (991, 83120), (1039, 79280), (1982, 41560), (2078, 39640), (3964, 20780), (4156, 19820), (4955, 16624), (5195, 15856), (7928, 10390), (8312, 9910)]