65872120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19841}}^1$

素因数の和:19935

約数の個数: 32

約数和(自身を含む): 150005520

約数和(自身を除く): 84133400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 19841, 39682, 79364, 99205, 158728, 198410, 396820, 793640, 1646803, 3293606, 6587212, 8234015, 13174424, 16468030, 32936060, 65872120]

約数ペア:

[(1, 65872120), (2, 32936060), (4, 16468030), (5, 13174424), (8, 8234015), (10, 6587212), (20, 3293606), (40, 1646803), (83, 793640), (166, 396820), (332, 198410), (415, 158728), (664, 99205), (830, 79364), (1660, 39682), (3320, 19841)]