20161125856

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1188

約数の個数: 96

約数和(自身を含む): 41332848480

約数和(自身を除く): 21171722624

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 193, 344, 356, 386, 688, 712, 772, 853, 1376, 1424, 1544, 1706, 2848, 3088, 3412, 3827, 6176, 6824, 7654, 8299, 13648, 15308, 16598, 17177, 27296, 30616, 33196, 34354, 36679, 61232, 66392, 68708, 73358, 75917, 122464, 132784, 137416, 146716, 151834, 164629, 265568, 274832, 293432, 303668, 329258, 549664, 586864, 607336, 658516, 738611, 1173728, 1214672, 1317032, 1477222, 2429344, 2634064, 2954444, 3264431, 5268128, 5908888, 6528862, 7079047, 11817776, 13057724, 14158094, 14651981, 23635552, 26115448, 28316188, 29303962, 52230896, 56632376, 58607924, 104461792, 113264752, 117215848, 226529504, 234431696, 468863392, 630035183, 1260070366, 2520140732, 5040281464, 10080562928, 20161125856]

約数ペア:

[(1, 20161125856), (2, 10080562928), (4, 5040281464), (8, 2520140732), (16, 1260070366), (32, 630035183), (43, 468863392), (86, 234431696), (89, 226529504), (172, 117215848), (178, 113264752), (193, 104461792), (344, 58607924), (356, 56632376), (386, 52230896), (688, 29303962), (712, 28316188), (772, 26115448), (853, 23635552), (1376, 14651981), (1424, 14158094), (1544, 13057724), (1706, 11817776), (2848, 7079047), (3088, 6528862), (3412, 5908888), (3827, 5268128), (6176, 3264431), (6824, 2954444), (7654, 2634064), (8299, 2429344), (13648, 1477222), (15308, 1317032), (16598, 1214672), (17177, 1173728), (27296, 738611), (30616, 658516), (33196, 607336), (34354, 586864), (36679, 549664), (61232, 329258), (66392, 303668), (68708, 293432), (73358, 274832), (75917, 265568), (122464, 164629), (132784, 151834), (137416, 146716)]