40800125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 14236675

約数列:

[1, 5, 19, 25, 41, 95, 125, 205, 419, 475, 779, 1025, 2095, 2375, 3895, 5125, 7961, 10475, 17179, 19475, 39805, 52375, 85895, 97375, 199025, 326401, 429475, 995125, 1632005, 2147375, 8160025, 40800125]

約数ペア:

[(1, 40800125), (5, 8160025), (19, 2147375), (25, 1632005), (41, 995125), (95, 429475), (125, 326401), (205, 199025), (419, 97375), (475, 85895), (779, 52375), (1025, 39805), (2095, 19475), (2375, 17179), (3895, 10475), (5125, 7961)]