87844040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30931}}^1$

素因数の和:31013

約数の個数: 32

約数和(自身を含む): 200439360

約数和(自身を除く): 112595320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30931, 61862, 123724, 154655, 247448, 309310, 618620, 1237240, 2196101, 4392202, 8784404, 10980505, 17568808, 21961010, 43922020, 87844040]

約数ペア:

[(1, 87844040), (2, 43922020), (4, 21961010), (5, 17568808), (8, 10980505), (10, 8784404), (20, 4392202), (40, 2196101), (71, 1237240), (142, 618620), (284, 309310), (355, 247448), (568, 154655), (710, 123724), (1420, 61862), (2840, 30931)]