87430780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{230081}}^1$

素因数の和:230109

約数の個数: 24

約数和(自身を含む): 193268880

約数和(自身を除く): 105838100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 230081, 460162, 920324, 1150405, 2300810, 4371539, 4601620, 8743078, 17486156, 21857695, 43715390, 87430780]

約数ペア:

[(1, 87430780), (2, 43715390), (4, 21857695), (5, 17486156), (10, 8743078), (19, 4601620), (20, 4371539), (38, 2300810), (76, 1150405), (95, 920324), (190, 460162), (380, 230081)]