65493640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19727}}^1$

素因数の和:19821

約数の個数: 32

約数和(自身を含む): 149143680

約数和(自身を除く): 83650040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 19727, 39454, 78908, 98635, 157816, 197270, 394540, 789080, 1637341, 3274682, 6549364, 8186705, 13098728, 16373410, 32746820, 65493640]

約数ペア:

[(1, 65493640), (2, 32746820), (4, 16373410), (5, 13098728), (8, 8186705), (10, 6549364), (20, 3274682), (40, 1637341), (83, 789080), (166, 394540), (332, 197270), (415, 157816), (664, 98635), (830, 78908), (1660, 39454), (3320, 19727)]