80992144

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{18679}}^1$

素因数の和:18958

約数の個数: 20

約数和(自身を含む): 157509760

約数和(自身を除く): 76517616

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 18679, 37358, 74716, 149432, 298864, 5062009, 10124018, 20248036, 40496072, 80992144]

約数ペア:

[(1, 80992144), (2, 40496072), (4, 20248036), (8, 10124018), (16, 5062009), (271, 298864), (542, 149432), (1084, 74716), (2168, 37358), (4336, 18679)]