7940840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 18139680

約数和(自身を除く): 10198840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 2963, 5926, 11852, 14815, 23704, 29630, 59260, 118520, 198521, 397042, 794084, 992605, 1588168, 1985210, 3970420, 7940840]

約数ペア:

[(1, 7940840), (2, 3970420), (4, 1985210), (5, 1588168), (8, 992605), (10, 794084), (20, 397042), (40, 198521), (67, 118520), (134, 59260), (268, 29630), (335, 23704), (536, 14815), (670, 11852), (1340, 5926), (2680, 2963)]