81172160

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8747}}^1$

素因数の和:8793

約数の個数: 56

約数和(自身を含む): 199979280

約数和(自身を除く): 118807120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 8747, 9280, 17494, 34988, 43735, 69976, 87470, 139952, 174940, 253663, 279904, 349880, 507326, 559808, 699760, 1014652, 1268315, 1399520, 2029304, 2536630, 2799040, 4058608, 5073260, 8117216, 10146520, 16234432, 20293040, 40586080, 81172160]

約数ペア:

[(1, 81172160), (2, 40586080), (4, 20293040), (5, 16234432), (8, 10146520), (10, 8117216), (16, 5073260), (20, 4058608), (29, 2799040), (32, 2536630), (40, 2029304), (58, 1399520), (64, 1268315), (80, 1014652), (116, 699760), (145, 559808), (160, 507326), (232, 349880), (290, 279904), (320, 253663), (464, 174940), (580, 139952), (928, 87470), (1160, 69976), (1856, 43735), (2320, 34988), (4640, 17494), (8747, 9280)]