87043160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30649}}^1$

素因数の和:30731

約数の個数: 32

約数和(自身を含む): 198612000

約数和(自身を除く): 111568840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30649, 61298, 122596, 153245, 245192, 306490, 612980, 1225960, 2176079, 4352158, 8704316, 10880395, 17408632, 21760790, 43521580, 87043160]

約数ペア:

[(1, 87043160), (2, 43521580), (4, 21760790), (5, 17408632), (8, 10880395), (10, 8704316), (20, 4352158), (40, 2176079), (71, 1225960), (142, 612980), (284, 306490), (355, 245192), (568, 153245), (710, 122596), (1420, 61298), (2840, 30649)]