72009680

素因数分解:

$2^4\times 5^1\times {\mathrm{900121}}^1$

素因数の和:900134

約数の個数: 20

約数和(自身を含む): 167422692

約数和(自身を除く): 95413012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900121, 1800242, 3600484, 4500605, 7200968, 9001210, 14401936, 18002420, 36004840, 72009680]

約数ペア:

[(1, 72009680), (2, 36004840), (4, 18002420), (5, 14401936), (8, 9001210), (10, 7200968), (16, 4500605), (20, 3600484), (40, 1800242), (80, 900121)]