87205480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70327}}^1$

素因数の和:70369

約数の個数: 32

約数和(自身を含む): 202544640

約数和(自身を除く): 115339160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70327, 140654, 281308, 351635, 562616, 703270, 1406540, 2180137, 2813080, 4360274, 8720548, 10900685, 17441096, 21801370, 43602740, 87205480]

約数ペア:

[(1, 87205480), (2, 43602740), (4, 21801370), (5, 17441096), (8, 10900685), (10, 8720548), (20, 4360274), (31, 2813080), (40, 2180137), (62, 1406540), (124, 703270), (155, 562616), (248, 351635), (310, 281308), (620, 140654), (1240, 70327)]