66179320

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2503}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 149188320

約数和(自身を除く): 83009000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2503, 2644, 3305, 5006, 5288, 6610, 10012, 12515, 13220, 20024, 25030, 26440, 50060, 100120, 1654483, 3308966, 6617932, 8272415, 13235864, 16544830, 33089660, 66179320]

約数ペア:

[(1, 66179320), (2, 33089660), (4, 16544830), (5, 13235864), (8, 8272415), (10, 6617932), (20, 3308966), (40, 1654483), (661, 100120), (1322, 50060), (2503, 26440), (2644, 25030), (3305, 20024), (5006, 13220), (5288, 12515), (6610, 10012)]