78326560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37657}}^1$

素因数の和:37685

約数の個数: 48

約数和(自身を含む): 199286136

約数和(自身を除く): 120959576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37657, 75314, 150628, 188285, 301256, 376570, 489541, 602512, 753140, 979082, 1205024, 1506280, 1958164, 2447705, 3012560, 3916328, 4895410, 6025120, 7832656, 9790820, 15665312, 19581640, 39163280, 78326560]

約数ペア:

[(1, 78326560), (2, 39163280), (4, 19581640), (5, 15665312), (8, 9790820), (10, 7832656), (13, 6025120), (16, 4895410), (20, 3916328), (26, 3012560), (32, 2447705), (40, 1958164), (52, 1506280), (65, 1205024), (80, 979082), (104, 753140), (130, 602512), (160, 489541), (208, 376570), (260, 301256), (416, 188285), (520, 150628), (1040, 75314), (2080, 37657)]