23138740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 27156428

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 263, 265, 332, 415, 526, 530, 830, 1052, 1060, 1315, 1660, 2630, 4399, 5260, 8798, 13939, 17596, 21829, 21995, 27878, 43658, 43990, 55756, 69695, 87316, 87980, 109145, 139390, 218290, 278780, 436580, 1156937, 2313874, 4627748, 5784685, 11569370, 23138740]

約数ペア:

[(1, 23138740), (2, 11569370), (4, 5784685), (5, 4627748), (10, 2313874), (20, 1156937), (53, 436580), (83, 278780), (106, 218290), (166, 139390), (212, 109145), (263, 87980), (265, 87316), (332, 69695), (415, 55756), (526, 43990), (530, 43658), (830, 27878), (1052, 21995), (1060, 21829), (1315, 17596), (1660, 13939), (2630, 8798), (4399, 5260)]