4085800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 9820800

約数和(自身を除く): 5735000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 659, 775, 1240, 1318, 1550, 2636, 3100, 3295, 5272, 6200, 6590, 13180, 16475, 20429, 26360, 32950, 40858, 65900, 81716, 102145, 131800, 163432, 204290, 408580, 510725, 817160, 1021450, 2042900, 4085800]

約数ペア:

[(1, 4085800), (2, 2042900), (4, 1021450), (5, 817160), (8, 510725), (10, 408580), (20, 204290), (25, 163432), (31, 131800), (40, 102145), (50, 81716), (62, 65900), (100, 40858), (124, 32950), (155, 26360), (200, 20429), (248, 16475), (310, 13180), (620, 6590), (659, 6200), (775, 5272), (1240, 3295), (1318, 3100), (1550, 2636)]