7995760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 18815760

約数和(自身を除く): 10820000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1123, 1424, 1780, 2246, 3560, 4492, 5615, 7120, 8984, 11230, 17968, 22460, 44920, 89840, 99947, 199894, 399788, 499735, 799576, 999470, 1599152, 1998940, 3997880, 7995760]

約数ペア:

[(1, 7995760), (2, 3997880), (4, 1998940), (5, 1599152), (8, 999470), (10, 799576), (16, 499735), (20, 399788), (40, 199894), (80, 99947), (89, 89840), (178, 44920), (356, 22460), (445, 17968), (712, 11230), (890, 8984), (1123, 7120), (1424, 5615), (1780, 4492), (2246, 3560)]