208618250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{20353}}^1$

素因数の和:20411

約数の個数: 32

約数和(自身を含む): 400078224

約数和(自身を除く): 191459974

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 5125, 10250, 20353, 40706, 101765, 203530, 508825, 834473, 1017650, 1668946, 2544125, 4172365, 5088250, 8344730, 20861825, 41723650, 104309125, 208618250]

約数ペア:

[(1, 208618250), (2, 104309125), (5, 41723650), (10, 20861825), (25, 8344730), (41, 5088250), (50, 4172365), (82, 2544125), (125, 1668946), (205, 1017650), (250, 834473), (410, 508825), (1025, 203530), (2050, 101765), (5125, 40706), (10250, 20353)]