72185540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{515611}}^1$

素因数の和:515627

約数の個数: 24

約数和(自身を含む): 173245632

約数和(自身を除く): 101060092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 515611, 1031222, 2062444, 2578055, 3609277, 5156110, 7218554, 10312220, 14437108, 18046385, 36092770, 72185540]

約数ペア:

[(1, 72185540), (2, 36092770), (4, 18046385), (5, 14437108), (7, 10312220), (10, 7218554), (14, 5156110), (20, 3609277), (28, 2578055), (35, 2062444), (70, 1031222), (140, 515611)]