84872800

素因数分解:

$2^5\times 5^2\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 208486656

約数和(自身を除く): 123613856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 277, 383, 400, 554, 766, 800, 1108, 1385, 1532, 1915, 2216, 2770, 3064, 3830, 4432, 5540, 6128, 6925, 7660, 8864, 9575, 11080, 12256, 13850, 15320, 19150, 22160, 27700, 30640, 38300, 44320, 55400, 61280, 76600, 106091, 110800, 153200, 212182, 221600, 306400, 424364, 530455, 848728, 1060910, 1697456, 2121820, 2652275, 3394912, 4243640, 5304550, 8487280, 10609100, 16974560, 21218200, 42436400, 84872800]

約数ペア:

[(1, 84872800), (2, 42436400), (4, 21218200), (5, 16974560), (8, 10609100), (10, 8487280), (16, 5304550), (20, 4243640), (25, 3394912), (32, 2652275), (40, 2121820), (50, 1697456), (80, 1060910), (100, 848728), (160, 530455), (200, 424364), (277, 306400), (383, 221600), (400, 212182), (554, 153200), (766, 110800), (800, 106091), (1108, 76600), (1385, 61280), (1532, 55400), (1915, 44320), (2216, 38300), (2770, 30640), (3064, 27700), (3830, 22160), (4432, 19150), (5540, 15320), (6128, 13850), (6925, 12256), (7660, 11080), (8864, 9575)]