161012125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 208746720

約数和(自身を除く): 47734595

約数列:

[1, 5, 25, 41, 89, 125, 205, 353, 445, 1025, 1765, 2225, 3649, 5125, 8825, 11125, 14473, 18245, 31417, 44125, 72365, 91225, 157085, 361825, 456125, 785425, 1288097, 1809125, 3927125, 6440485, 32202425, 161012125]

約数ペア:

[(1, 161012125), (5, 32202425), (25, 6440485), (41, 3927125), (89, 1809125), (125, 1288097), (205, 785425), (353, 456125), (445, 361825), (1025, 157085), (1765, 91225), (2225, 72365), (3649, 44125), (5125, 31417), (8825, 18245), (11125, 14473)]