65273750

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:762

約数の個数: 40

約数和(自身を含む): 124085280

約数和(自身を除く): 58811530

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 625, 661, 790, 1250, 1322, 1975, 3305, 3950, 6610, 9875, 16525, 19750, 33050, 49375, 52219, 82625, 98750, 104438, 165250, 261095, 413125, 522190, 826250, 1305475, 2610950, 6527375, 13054750, 32636875, 65273750]

約数ペア:

[(1, 65273750), (2, 32636875), (5, 13054750), (10, 6527375), (25, 2610950), (50, 1305475), (79, 826250), (125, 522190), (158, 413125), (250, 261095), (395, 165250), (625, 104438), (661, 98750), (790, 82625), (1250, 52219), (1322, 49375), (1975, 33050), (3305, 19750), (3950, 16525), (6610, 9875)]