1801470080

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21487}}^1$

素因数の和:21637

約数の個数: 64

約数和(自身を含む): 4339716480

約数和(自身を除く): 2538246400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 16768, 20960, 21487, 41920, 42974, 83840, 85948, 107435, 171896, 214870, 343792, 429740, 687584, 859480, 1375168, 1718960, 2750336, 2814797, 3437920, 5629594, 6875840, 11259188, 13751680, 14073985, 22518376, 28147970, 45036752, 56295940, 90073504, 112591880, 180147008, 225183760, 360294016, 450367520, 900735040, 1801470080]

約数ペア:

[(1, 1801470080), (2, 900735040), (4, 450367520), (5, 360294016), (8, 225183760), (10, 180147008), (16, 112591880), (20, 90073504), (32, 56295940), (40, 45036752), (64, 28147970), (80, 22518376), (128, 14073985), (131, 13751680), (160, 11259188), (262, 6875840), (320, 5629594), (524, 3437920), (640, 2814797), (655, 2750336), (1048, 1718960), (1310, 1375168), (2096, 859480), (2620, 687584), (4192, 429740), (5240, 343792), (8384, 214870), (10480, 171896), (16768, 107435), (20960, 85948), (21487, 83840), (41920, 42974)]