42744020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 98981568

約数和(自身を除く): 56237548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2003, 2134, 4006, 4268, 5335, 8012, 10015, 10670, 20030, 21340, 22033, 40060, 44066, 88132, 110165, 194291, 220330, 388582, 440660, 777164, 971455, 1942910, 2137201, 3885820, 4274402, 8548804, 10686005, 21372010, 42744020]

約数ペア:

[(1, 42744020), (2, 21372010), (4, 10686005), (5, 8548804), (10, 4274402), (11, 3885820), (20, 2137201), (22, 1942910), (44, 971455), (55, 777164), (97, 440660), (110, 388582), (194, 220330), (220, 194291), (388, 110165), (485, 88132), (970, 44066), (1067, 40060), (1940, 22033), (2003, 21340), (2134, 20030), (4006, 10670), (4268, 10015), (5335, 8012)]