82906240

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 199334520

約数和(自身を除く): 116428280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 461, 562, 640, 922, 1124, 1405, 1844, 2248, 2305, 2810, 3688, 4496, 4610, 5620, 7376, 8992, 9220, 11240, 14752, 17984, 18440, 22480, 29504, 35968, 36880, 44960, 59008, 73760, 89920, 129541, 147520, 179840, 259082, 295040, 518164, 647705, 1036328, 1295410, 2072656, 2590820, 4145312, 5181640, 8290624, 10363280, 16581248, 20726560, 41453120, 82906240]

約数ペア:

[(1, 82906240), (2, 41453120), (4, 20726560), (5, 16581248), (8, 10363280), (10, 8290624), (16, 5181640), (20, 4145312), (32, 2590820), (40, 2072656), (64, 1295410), (80, 1036328), (128, 647705), (160, 518164), (281, 295040), (320, 259082), (461, 179840), (562, 147520), (640, 129541), (922, 89920), (1124, 73760), (1405, 59008), (1844, 44960), (2248, 36880), (2305, 35968), (2810, 29504), (3688, 22480), (4496, 18440), (4610, 17984), (5620, 14752), (7376, 11240), (8992, 9220)]