4978480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4787}}^1$

素因数の和:4813

約数の個数: 40

約数和(自身を含む): 12467952

約数和(自身を除く): 7489472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4787, 9574, 19148, 23935, 38296, 47870, 62231, 76592, 95740, 124462, 191480, 248924, 311155, 382960, 497848, 622310, 995696, 1244620, 2489240, 4978480]

約数ペア:

[(1, 4978480), (2, 2489240), (4, 1244620), (5, 995696), (8, 622310), (10, 497848), (13, 382960), (16, 311155), (20, 248924), (26, 191480), (40, 124462), (52, 95740), (65, 76592), (80, 62231), (104, 47870), (130, 38296), (208, 23935), (260, 19148), (520, 9574), (1040, 4787)]