86520880

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1607}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 201585312

約数和(自身を除く): 115064432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 1607, 2692, 3214, 3365, 5384, 6428, 6730, 8035, 10768, 12856, 13460, 16070, 25712, 26920, 32140, 53840, 64280, 128560, 1081511, 2163022, 4326044, 5407555, 8652088, 10815110, 17304176, 21630220, 43260440, 86520880]

約数ペア:

[(1, 86520880), (2, 43260440), (4, 21630220), (5, 17304176), (8, 10815110), (10, 8652088), (16, 5407555), (20, 4326044), (40, 2163022), (80, 1081511), (673, 128560), (1346, 64280), (1607, 53840), (2692, 32140), (3214, 26920), (3365, 25712), (5384, 16070), (6428, 13460), (6730, 12856), (8035, 10768)]