129043840

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1419

約数の個数: 64

約数和(自身を含む): 310638960

約数和(自身を除く): 181595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 640, 652, 815, 1237, 1304, 1630, 2474, 2608, 3260, 4948, 5216, 6185, 6520, 9896, 10432, 12370, 13040, 19792, 20864, 24740, 26080, 39584, 49480, 52160, 79168, 98960, 104320, 158336, 197920, 201631, 395840, 403262, 791680, 806524, 1008155, 1613048, 2016310, 3226096, 4032620, 6452192, 8065240, 12904384, 16130480, 25808768, 32260960, 64521920, 129043840]

約数ペア:

[(1, 129043840), (2, 64521920), (4, 32260960), (5, 25808768), (8, 16130480), (10, 12904384), (16, 8065240), (20, 6452192), (32, 4032620), (40, 3226096), (64, 2016310), (80, 1613048), (128, 1008155), (160, 806524), (163, 791680), (320, 403262), (326, 395840), (640, 201631), (652, 197920), (815, 158336), (1237, 104320), (1304, 98960), (1630, 79168), (2474, 52160), (2608, 49480), (3260, 39584), (4948, 26080), (5216, 24740), (6185, 20864), (6520, 19792), (9896, 13040), (10432, 12370)]