79957600

素因数分解:

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

素因数の和:1232

約数の個数: 72

約数和(自身を含む): 197565480

約数和(自身を除く): 117607880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 712, 800, 890, 1123, 1424, 1780, 2225, 2246, 2848, 3560, 4450, 4492, 5615, 7120, 8900, 8984, 11230, 14240, 17800, 17968, 22460, 28075, 35600, 35936, 44920, 56150, 71200, 89840, 99947, 112300, 179680, 199894, 224600, 399788, 449200, 499735, 799576, 898400, 999470, 1599152, 1998940, 2498675, 3198304, 3997880, 4997350, 7995760, 9994700, 15991520, 19989400, 39978800, 79957600]

約数ペア:

[(1, 79957600), (2, 39978800), (4, 19989400), (5, 15991520), (8, 9994700), (10, 7995760), (16, 4997350), (20, 3997880), (25, 3198304), (32, 2498675), (40, 1998940), (50, 1599152), (80, 999470), (89, 898400), (100, 799576), (160, 499735), (178, 449200), (200, 399788), (356, 224600), (400, 199894), (445, 179680), (712, 112300), (800, 99947), (890, 89840), (1123, 71200), (1424, 56150), (1780, 44920), (2225, 35936), (2246, 35600), (2848, 28075), (3560, 22460), (4450, 17968), (4492, 17800), (5615, 14240), (7120, 11230), (8900, 8984)]