80446720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3697}}^1$

素因数の和:3735

約数の個数: 72

約数和(自身を含む): 204085224

約数和(自身を除く): 123638504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3697, 4352, 5440, 7394, 10880, 14788, 18485, 21760, 29576, 36970, 59152, 62849, 73940, 118304, 125698, 147880, 236608, 251396, 295760, 314245, 473216, 502792, 591520, 628490, 946432, 1005584, 1183040, 1256980, 2011168, 2366080, 2513960, 4022336, 4732160, 5027920, 8044672, 10055840, 16089344, 20111680, 40223360, 80446720]

約数ペア:

[(1, 80446720), (2, 40223360), (4, 20111680), (5, 16089344), (8, 10055840), (10, 8044672), (16, 5027920), (17, 4732160), (20, 4022336), (32, 2513960), (34, 2366080), (40, 2011168), (64, 1256980), (68, 1183040), (80, 1005584), (85, 946432), (128, 628490), (136, 591520), (160, 502792), (170, 473216), (256, 314245), (272, 295760), (320, 251396), (340, 236608), (544, 147880), (640, 125698), (680, 118304), (1088, 73940), (1280, 62849), (1360, 59152), (2176, 36970), (2720, 29576), (3697, 21760), (4352, 18485), (5440, 14788), (7394, 10880)]