28080250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{10211}}^1$

素因数の和:10239

約数の個数: 32

約数和(自身を含む): 57350592

約数和(自身を除く): 29270342

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 10211, 20422, 51055, 102110, 112321, 224642, 255275, 510550, 561605, 1123210, 1276375, 2552750, 2808025, 5616050, 14040125, 28080250]

約数ペア:

[(1, 28080250), (2, 14040125), (5, 5616050), (10, 2808025), (11, 2552750), (22, 1276375), (25, 1123210), (50, 561605), (55, 510550), (110, 255275), (125, 224642), (250, 112321), (275, 102110), (550, 51055), (1375, 20422), (2750, 10211)]