39081520

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2699}}^1$

素因数の和:2893

約数の個数: 40

約数和(自身を含む): 91400400

約数和(自身を除く): 52318880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2699, 2896, 3620, 5398, 7240, 10796, 13495, 14480, 21592, 26990, 43184, 53980, 107960, 215920, 488519, 977038, 1954076, 2442595, 3908152, 4885190, 7816304, 9770380, 19540760, 39081520]

約数ペア:

[(1, 39081520), (2, 19540760), (4, 9770380), (5, 7816304), (8, 4885190), (10, 3908152), (16, 2442595), (20, 1954076), (40, 977038), (80, 488519), (181, 215920), (362, 107960), (724, 53980), (905, 43184), (1448, 26990), (1810, 21592), (2699, 14480), (2896, 13495), (3620, 10796), (5398, 7240)]