64521920

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1417

約数の個数: 56

約数和(自身を含む): 154710384

約数和(自身を除く): 90188464

約数列:

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

約数ペア:

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