7840528040

素因数分解:

$2^3\times 5^1\times {\mathrm{5147}}^1\times {\mathrm{38083}}^1$

素因数の和:43241

約数の個数: 32

約数和(自身を含む): 17645078880

約数和(自身を除く): 9804550840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5147, 10294, 20588, 25735, 38083, 41176, 51470, 76166, 102940, 152332, 190415, 205880, 304664, 380830, 761660, 1523320, 196013201, 392026402, 784052804, 980066005, 1568105608, 1960132010, 3920264020, 7840528040]

約数ペア:

[(1, 7840528040), (2, 3920264020), (4, 1960132010), (5, 1568105608), (8, 980066005), (10, 784052804), (20, 392026402), (40, 196013201), (5147, 1523320), (10294, 761660), (20588, 380830), (25735, 304664), (38083, 205880), (41176, 190415), (51470, 152332), (76166, 102940)]