79655680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4787}}^1$

素因数の和:4821

約数の個数: 72

約数和(自身を含む): 205520112

約数和(自身を除く): 125864432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4787, 8320, 9574, 16640, 19148, 23935, 38296, 47870, 62231, 76592, 95740, 124462, 153184, 191480, 248924, 306368, 311155, 382960, 497848, 612736, 622310, 765920, 995696, 1225472, 1244620, 1531840, 1991392, 2489240, 3063680, 3982784, 4978480, 6127360, 7965568, 9956960, 15931136, 19913920, 39827840, 79655680]

約数ペア:

[(1, 79655680), (2, 39827840), (4, 19913920), (5, 15931136), (8, 9956960), (10, 7965568), (13, 6127360), (16, 4978480), (20, 3982784), (26, 3063680), (32, 2489240), (40, 1991392), (52, 1531840), (64, 1244620), (65, 1225472), (80, 995696), (104, 765920), (128, 622310), (130, 612736), (160, 497848), (208, 382960), (256, 311155), (260, 306368), (320, 248924), (416, 191480), (520, 153184), (640, 124462), (832, 95740), (1040, 76592), (1280, 62231), (1664, 47870), (2080, 38296), (3328, 23935), (4160, 19148), (4787, 16640), (8320, 9574)]