66702908180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46973879}}^1$

素因数の和:46973959

約数の個数: 24

約数和(自身を含む): 142049013120

約数和(自身を除く): 75346104940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46973879, 93947758, 187895516, 234869395, 469738790, 939477580, 3335145409, 6670290818, 13340581636, 16675727045, 33351454090, 66702908180]

約数ペア:

[(1, 66702908180), (2, 33351454090), (4, 16675727045), (5, 13340581636), (10, 6670290818), (20, 3335145409), (71, 939477580), (142, 469738790), (284, 234869395), (355, 187895516), (710, 93947758), (1420, 46973879)]