49617640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17471}}^1$

素因数の和:17553

約数の個数: 32

約数和(自身を含む): 113218560

約数和(自身を除く): 63600920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 17471, 34942, 69884, 87355, 139768, 174710, 349420, 698840, 1240441, 2480882, 4961764, 6202205, 9923528, 12404410, 24808820, 49617640]

約数ペア:

[(1, 49617640), (2, 24808820), (4, 12404410), (5, 9923528), (8, 6202205), (10, 4961764), (20, 2480882), (40, 1240441), (71, 698840), (142, 349420), (284, 174710), (355, 139768), (568, 87355), (710, 69884), (1420, 34942), (2840, 17471)]