80841110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2909}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 166777920

約数和(自身を除く): 85936810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 2909, 3970, 5558, 5818, 13895, 14545, 20363, 27790, 29090, 40726, 101815, 203630, 1154873, 2309746, 5774365, 8084111, 11548730, 16168222, 40420555, 80841110]

約数ペア:

[(1, 80841110), (2, 40420555), (5, 16168222), (7, 11548730), (10, 8084111), (14, 5774365), (35, 2309746), (70, 1154873), (397, 203630), (794, 101815), (1985, 40726), (2779, 29090), (2909, 27790), (3970, 20363), (5558, 14545), (5818, 13895)]