26509220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 57485568

約数和(自身を除く): 30976348

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 271, 292, 335, 365, 542, 670, 730, 1084, 1340, 1355, 1460, 2710, 4891, 5420, 9782, 18157, 19564, 19783, 24455, 36314, 39566, 48910, 72628, 79132, 90785, 97820, 98915, 181570, 197830, 363140, 395660, 1325461, 2650922, 5301844, 6627305, 13254610, 26509220]

約数ペア:

[(1, 26509220), (2, 13254610), (4, 6627305), (5, 5301844), (10, 2650922), (20, 1325461), (67, 395660), (73, 363140), (134, 197830), (146, 181570), (268, 98915), (271, 97820), (292, 90785), (335, 79132), (365, 72628), (542, 48910), (670, 39566), (730, 36314), (1084, 24455), (1340, 19783), (1355, 19564), (1460, 18157), (2710, 9782), (4891, 5420)]