25321640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 34553560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 263, 290, 332, 415, 526, 580, 664, 830, 1052, 1160, 1315, 1660, 2104, 2407, 2630, 3320, 4814, 5260, 7627, 9628, 10520, 12035, 15254, 19256, 21829, 24070, 30508, 38135, 43658, 48140, 61016, 76270, 87316, 96280, 109145, 152540, 174632, 218290, 305080, 436580, 633041, 873160, 1266082, 2532164, 3165205, 5064328, 6330410, 12660820, 25321640]

約数ペア:

[(1, 25321640), (2, 12660820), (4, 6330410), (5, 5064328), (8, 3165205), (10, 2532164), (20, 1266082), (29, 873160), (40, 633041), (58, 436580), (83, 305080), (116, 218290), (145, 174632), (166, 152540), (232, 109145), (263, 96280), (290, 87316), (332, 76270), (415, 61016), (526, 48140), (580, 43658), (664, 38135), (830, 30508), (1052, 24070), (1160, 21829), (1315, 19256), (1660, 15254), (2104, 12035), (2407, 10520), (2630, 9628), (3320, 7627), (4814, 5260)]