27438280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 65952000

約数和(自身を除く): 38513720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 457, 632, 760, 790, 914, 1501, 1580, 1828, 2285, 3002, 3160, 3656, 4570, 6004, 7505, 8683, 9140, 12008, 15010, 17366, 18280, 30020, 34732, 36103, 43415, 60040, 69464, 72206, 86830, 144412, 173660, 180515, 288824, 347320, 361030, 685957, 722060, 1371914, 1444120, 2743828, 3429785, 5487656, 6859570, 13719140, 27438280]

約数ペア:

[(1, 27438280), (2, 13719140), (4, 6859570), (5, 5487656), (8, 3429785), (10, 2743828), (19, 1444120), (20, 1371914), (38, 722060), (40, 685957), (76, 361030), (79, 347320), (95, 288824), (152, 180515), (158, 173660), (190, 144412), (316, 86830), (380, 72206), (395, 69464), (457, 60040), (632, 43415), (760, 36103), (790, 34732), (914, 30020), (1501, 18280), (1580, 17366), (1828, 15010), (2285, 12008), (3002, 9140), (3160, 8683), (3656, 7505), (4570, 6004)]