81266650

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{7703}}^1$

素因数の和:7926

約数の個数: 24

約数和(自身を含む): 151892064

約数和(自身を除く): 70625414

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 2110, 5275, 7703, 10550, 15406, 38515, 77030, 192575, 385150, 1625333, 3250666, 8126665, 16253330, 40633325, 81266650]

約数ペア:

[(1, 81266650), (2, 40633325), (5, 16253330), (10, 8126665), (25, 3250666), (50, 1625333), (211, 385150), (422, 192575), (1055, 77030), (2110, 38515), (5275, 15406), (7703, 10550)]