81377120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46237}}^1$

素因数の和:46263

約数の個数: 48

約数和(自身を含む): 209735568

約数和(自身を除く): 128358448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 46237, 92474, 184948, 231185, 369896, 462370, 508607, 739792, 924740, 1017214, 1479584, 1849480, 2034428, 2543035, 3698960, 4068856, 5086070, 7397920, 8137712, 10172140, 16275424, 20344280, 40688560, 81377120]

約数ペア:

[(1, 81377120), (2, 40688560), (4, 20344280), (5, 16275424), (8, 10172140), (10, 8137712), (11, 7397920), (16, 5086070), (20, 4068856), (22, 3698960), (32, 2543035), (40, 2034428), (44, 1849480), (55, 1479584), (80, 1017214), (88, 924740), (110, 739792), (160, 508607), (176, 462370), (220, 369896), (352, 231185), (440, 184948), (880, 92474), (1760, 46237)]