81984320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23291}}^1$

素因数の和:23319

約数の個数: 56

約数和(自身を含む): 212982048

約数和(自身を除く): 130997728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 23291, 46582, 93164, 116455, 186328, 232910, 256201, 372656, 465820, 512402, 745312, 931640, 1024804, 1281005, 1490624, 1863280, 2049608, 2562010, 3726560, 4099216, 5124020, 7453120, 8198432, 10248040, 16396864, 20496080, 40992160, 81984320]

約数ペア:

[(1, 81984320), (2, 40992160), (4, 20496080), (5, 16396864), (8, 10248040), (10, 8198432), (11, 7453120), (16, 5124020), (20, 4099216), (22, 3726560), (32, 2562010), (40, 2049608), (44, 1863280), (55, 1490624), (64, 1281005), (80, 1024804), (88, 931640), (110, 745312), (160, 512402), (176, 465820), (220, 372656), (320, 256201), (352, 232910), (440, 186328), (704, 116455), (880, 93164), (1760, 46582), (3520, 23291)]