70872920

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1381}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 159703920

約数和(自身を除く): 88831000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1381, 2566, 2762, 5132, 5524, 6415, 6905, 10264, 11048, 12830, 13810, 25660, 27620, 51320, 55240, 1771823, 3543646, 7087292, 8859115, 14174584, 17718230, 35436460, 70872920]

約数ペア:

[(1, 70872920), (2, 35436460), (4, 17718230), (5, 14174584), (8, 8859115), (10, 7087292), (20, 3543646), (40, 1771823), (1283, 55240), (1381, 51320), (2566, 27620), (2762, 25660), (5132, 13810), (5524, 12830), (6415, 11048), (6905, 10264)]