39968656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 96632704

約数和(自身を除く): 56664048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 97, 104, 112, 182, 194, 208, 283, 364, 388, 566, 679, 728, 776, 1132, 1261, 1358, 1456, 1552, 1981, 2264, 2522, 2716, 3679, 3962, 4528, 5044, 5432, 7358, 7924, 8827, 10088, 10864, 14716, 15848, 17654, 20176, 25753, 27451, 29432, 31696, 35308, 51506, 54902, 58864, 70616, 103012, 109804, 141232, 192157, 206024, 219608, 356863, 384314, 412048, 439216, 713726, 768628, 1427452, 1537256, 2498041, 2854904, 3074512, 4996082, 5709808, 9992164, 19984328, 39968656]

約数ペア:

[(1, 39968656), (2, 19984328), (4, 9992164), (7, 5709808), (8, 4996082), (13, 3074512), (14, 2854904), (16, 2498041), (26, 1537256), (28, 1427452), (52, 768628), (56, 713726), (91, 439216), (97, 412048), (104, 384314), (112, 356863), (182, 219608), (194, 206024), (208, 192157), (283, 141232), (364, 109804), (388, 103012), (566, 70616), (679, 58864), (728, 54902), (776, 51506), (1132, 35308), (1261, 31696), (1358, 29432), (1456, 27451), (1552, 25753), (1981, 20176), (2264, 17654), (2522, 15848), (2716, 14716), (3679, 10864), (3962, 10088), (4528, 8827), (5044, 7924), (5432, 7358)]