1965718120

素因数分解:

$2^3\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{20903}}^1$

素因数の和:23265

約数の個数: 32

約数和(自身を含む): 4424958720

約数和(自身を除く): 2459240600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2351, 4702, 9404, 11755, 18808, 20903, 23510, 41806, 47020, 83612, 94040, 104515, 167224, 209030, 418060, 836120, 49142953, 98285906, 196571812, 245714765, 393143624, 491429530, 982859060, 1965718120]

約数ペア:

[(1, 1965718120), (2, 982859060), (4, 491429530), (5, 393143624), (8, 245714765), (10, 196571812), (20, 98285906), (40, 49142953), (2351, 836120), (4702, 418060), (9404, 209030), (11755, 167224), (18808, 104515), (20903, 94040), (23510, 83612), (41806, 47020)]