39866000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 80

約数和(自身を含む): 99660288

約数和(自身を除く): 59794288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 643, 775, 1000, 1240, 1286, 1550, 2000, 2480, 2572, 3100, 3215, 3875, 5144, 6200, 6430, 7750, 10288, 12400, 12860, 15500, 16075, 19933, 25720, 31000, 32150, 39866, 51440, 62000, 64300, 79732, 80375, 99665, 128600, 159464, 160750, 199330, 257200, 318928, 321500, 398660, 498325, 643000, 797320, 996650, 1286000, 1594640, 1993300, 2491625, 3986600, 4983250, 7973200, 9966500, 19933000, 39866000]

約数ペア:

[(1, 39866000), (2, 19933000), (4, 9966500), (5, 7973200), (8, 4983250), (10, 3986600), (16, 2491625), (20, 1993300), (25, 1594640), (31, 1286000), (40, 996650), (50, 797320), (62, 643000), (80, 498325), (100, 398660), (124, 321500), (125, 318928), (155, 257200), (200, 199330), (248, 160750), (250, 159464), (310, 128600), (400, 99665), (496, 80375), (500, 79732), (620, 64300), (643, 62000), (775, 51440), (1000, 39866), (1240, 32150), (1286, 31000), (1550, 25720), (2000, 19933), (2480, 16075), (2572, 15500), (3100, 12860), (3215, 12400), (3875, 10288), (5144, 7750), (6200, 6430)]