81300725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1291}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 110543520

約数和(自身を除く): 29242795

約数列:

[1, 5, 11, 25, 55, 229, 275, 1145, 1291, 2519, 5725, 6455, 12595, 14201, 32275, 62975, 71005, 295639, 355025, 1478195, 3252029, 7390975, 16260145, 81300725]

約数ペア:

[(1, 81300725), (5, 16260145), (11, 7390975), (25, 3252029), (55, 1478195), (229, 355025), (275, 295639), (1145, 71005), (1291, 62975), (2519, 32275), (5725, 14201), (6455, 12595)]