72048560

素因数分解:

$2^4\times 5^1\times {\mathrm{900607}}^1$

素因数の和:900620

約数の個数: 20

約数和(自身を含む): 167513088

約数和(自身を除く): 95464528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900607, 1801214, 3602428, 4503035, 7204856, 9006070, 14409712, 18012140, 36024280, 72048560]

約数ペア:

[(1, 72048560), (2, 36024280), (4, 18012140), (5, 14409712), (8, 9006070), (10, 7204856), (16, 4503035), (20, 3602428), (40, 1801214), (80, 900607)]