9966500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 22503936

約数和(自身を除く): 12537436

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 643, 775, 1286, 1550, 2572, 3100, 3215, 3875, 6430, 7750, 12860, 15500, 16075, 19933, 32150, 39866, 64300, 79732, 80375, 99665, 160750, 199330, 321500, 398660, 498325, 996650, 1993300, 2491625, 4983250, 9966500]

約数ペア:

[(1, 9966500), (2, 4983250), (4, 2491625), (5, 1993300), (10, 996650), (20, 498325), (25, 398660), (31, 321500), (50, 199330), (62, 160750), (100, 99665), (124, 80375), (125, 79732), (155, 64300), (250, 39866), (310, 32150), (500, 19933), (620, 16075), (643, 15500), (775, 12860), (1286, 7750), (1550, 6430), (2572, 3875), (3100, 3215)]