68606920

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3907}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 154756800

約数和(自身を除く): 86149880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 3907, 4390, 7814, 8780, 15628, 17560, 19535, 31256, 39070, 78140, 156280, 1715173, 3430346, 6860692, 8575865, 13721384, 17151730, 34303460, 68606920]

約数ペア:

[(1, 68606920), (2, 34303460), (4, 17151730), (5, 13721384), (8, 8575865), (10, 6860692), (20, 3430346), (40, 1715173), (439, 156280), (878, 78140), (1756, 39070), (2195, 31256), (3512, 19535), (3907, 17560), (4390, 15628), (7814, 8780)]