72417560

素因数分解:

$2^3\times 5^1\times {\mathrm{1810439}}^1$

素因数の和:1810450

約数の個数: 16

約数和(自身を含む): 162939600

約数和(自身を除く): 90522040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1810439, 3620878, 7241756, 9052195, 14483512, 18104390, 36208780, 72417560]

約数ペア:

[(1, 72417560), (2, 36208780), (4, 18104390), (5, 14483512), (8, 9052195), (10, 7241756), (20, 3620878), (40, 1810439)]