31383760

素因数分解:

$2^4\times 5^1\times {\mathrm{392297}}^1$

素因数の和:392310

約数の個数: 20

約数和(自身を含む): 72967428

約数和(自身を除く): 41583668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392297, 784594, 1569188, 1961485, 3138376, 3922970, 6276752, 7845940, 15691880, 31383760]

約数ペア:

[(1, 31383760), (2, 15691880), (4, 7845940), (5, 6276752), (8, 3922970), (10, 3138376), (16, 1961485), (20, 1569188), (40, 784594), (80, 392297)]