208792040

素因数分解:

$2^3\times 5^1\times {\mathrm{5219801}}^1$

素因数の和:5219812

約数の個数: 16

約数和(自身を含む): 469782180

約数和(自身を除く): 260990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5219801, 10439602, 20879204, 26099005, 41758408, 52198010, 104396020, 208792040]

約数ペア:

[(1, 208792040), (2, 104396020), (4, 52198010), (5, 41758408), (8, 26099005), (10, 20879204), (20, 10439602), (40, 5219801)]