39495880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13907}}^1$

素因数の和:13989

約数の個数: 32

約数和(自身を含む): 90123840

約数和(自身を除く): 50627960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13907, 27814, 55628, 69535, 111256, 139070, 278140, 556280, 987397, 1974794, 3949588, 4936985, 7899176, 9873970, 19747940, 39495880]

約数ペア:

[(1, 39495880), (2, 19747940), (4, 9873970), (5, 7899176), (8, 4936985), (10, 3949588), (20, 1974794), (40, 987397), (71, 556280), (142, 278140), (284, 139070), (355, 111256), (568, 69535), (710, 55628), (1420, 27814), (2840, 13907)]