70723880

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2683}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 159429600

約数和(自身を除く): 88705720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 2683, 3295, 5272, 5366, 6590, 10732, 13180, 13415, 21464, 26360, 26830, 53660, 107320, 1768097, 3536194, 7072388, 8840485, 14144776, 17680970, 35361940, 70723880]

約数ペア:

[(1, 70723880), (2, 35361940), (4, 17680970), (5, 14144776), (8, 8840485), (10, 7072388), (20, 3536194), (40, 1768097), (659, 107320), (1318, 53660), (2636, 26830), (2683, 26360), (3295, 21464), (5272, 13415), (5366, 13180), (6590, 10732)]