80987816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2099}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 190512000

約数和(自身を除く): 109524184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 1378, 1484, 2099, 2756, 2968, 4198, 4823, 5512, 8396, 9646, 14693, 16792, 19292, 27287, 29386, 38584, 54574, 58772, 109148, 111247, 117544, 191009, 218296, 222494, 382018, 444988, 764036, 778729, 889976, 1446211, 1528072, 1557458, 2892422, 3114916, 5784844, 6229832, 10123477, 11569688, 20246954, 40493908, 80987816]

約数ペア:

[(1, 80987816), (2, 40493908), (4, 20246954), (7, 11569688), (8, 10123477), (13, 6229832), (14, 5784844), (26, 3114916), (28, 2892422), (52, 1557458), (53, 1528072), (56, 1446211), (91, 889976), (104, 778729), (106, 764036), (182, 444988), (212, 382018), (364, 222494), (371, 218296), (424, 191009), (689, 117544), (728, 111247), (742, 109148), (1378, 58772), (1484, 54574), (2099, 38584), (2756, 29386), (2968, 27287), (4198, 19292), (4823, 16792), (5512, 14693), (8396, 9646)]