28080440320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{163}}^1\times {\mathrm{33647}}^1$

素因数の和:33835

約数の個数: 88

約数和(自身を含む): 67775416704

約数和(自身を除く): 39694976384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 512, 640, 652, 815, 1024, 1280, 1304, 1630, 2560, 2608, 3260, 5120, 5216, 6520, 10432, 13040, 20864, 26080, 33647, 41728, 52160, 67294, 83456, 104320, 134588, 166912, 168235, 208640, 269176, 336470, 417280, 538352, 672940, 834560, 1076704, 1345880, 2153408, 2691760, 4306816, 5383520, 5484461, 8613632, 10767040, 10968922, 17227264, 21534080, 21937844, 27422305, 34454528, 43068160, 43875688, 54844610, 86136320, 87751376, 109689220, 172272640, 175502752, 219378440, 351005504, 438756880, 702011008, 877513760, 1404022016, 1755027520, 2808044032, 3510055040, 5616088064, 7020110080, 14040220160, 28080440320]

約数ペア:

[(1, 28080440320), (2, 14040220160), (4, 7020110080), (5, 5616088064), (8, 3510055040), (10, 2808044032), (16, 1755027520), (20, 1404022016), (32, 877513760), (40, 702011008), (64, 438756880), (80, 351005504), (128, 219378440), (160, 175502752), (163, 172272640), (256, 109689220), (320, 87751376), (326, 86136320), (512, 54844610), (640, 43875688), (652, 43068160), (815, 34454528), (1024, 27422305), (1280, 21937844), (1304, 21534080), (1630, 17227264), (2560, 10968922), (2608, 10767040), (3260, 8613632), (5120, 5484461), (5216, 5383520), (6520, 4306816), (10432, 2691760), (13040, 2153408), (20864, 1345880), (26080, 1076704), (33647, 834560), (41728, 672940), (52160, 538352), (67294, 417280), (83456, 336470), (104320, 269176), (134588, 208640), (166912, 168235)]