74687780

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4451}}^1$

素因数の和:5299

約数の個数: 24

約数和(自身を含む): 157066560

約数和(自身を除く): 82378780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 4451, 8390, 8902, 16780, 17804, 22255, 44510, 89020, 3734389, 7468778, 14937556, 18671945, 37343890, 74687780]

約数ペア:

[(1, 74687780), (2, 37343890), (4, 18671945), (5, 14937556), (10, 7468778), (20, 3734389), (839, 89020), (1678, 44510), (3356, 22255), (4195, 17804), (4451, 16780), (8390, 8902)]