70938520

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2683}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 159912720

約数和(自身を除く): 88974200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 2683, 3305, 5288, 5366, 6610, 10732, 13220, 13415, 21464, 26440, 26830, 53660, 107320, 1773463, 3546926, 7093852, 8867315, 14187704, 17734630, 35469260, 70938520]

約数ペア:

[(1, 70938520), (2, 35469260), (4, 17734630), (5, 14187704), (8, 8867315), (10, 7093852), (20, 3546926), (40, 1773463), (661, 107320), (1322, 53660), (2644, 26830), (2683, 26440), (3305, 21464), (5288, 13415), (5366, 13220), (6610, 10732)]