87832280

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5531}}^1$

素因数の和:5939

約数の個数: 32

約数和(自身を含む): 198156240

約数和(自身を除く): 110323960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5531, 7940, 11062, 15880, 22124, 27655, 44248, 55310, 110620, 221240, 2195807, 4391614, 8783228, 10979035, 17566456, 21958070, 43916140, 87832280]

約数ペア:

[(1, 87832280), (2, 43916140), (4, 21958070), (5, 17566456), (8, 10979035), (10, 8783228), (20, 4391614), (40, 2195807), (397, 221240), (794, 110620), (1588, 55310), (1985, 44248), (3176, 27655), (3970, 22124), (5531, 15880), (7940, 11062)]