3986600

素因数分解:

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

素因数の和:690

約数の個数: 48

約数和(自身を含む): 9582720

約数和(自身を除く): 5596120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 643, 775, 1240, 1286, 1550, 2572, 3100, 3215, 5144, 6200, 6430, 12860, 16075, 19933, 25720, 32150, 39866, 64300, 79732, 99665, 128600, 159464, 199330, 398660, 498325, 797320, 996650, 1993300, 3986600]

約数ペア:

[(1, 3986600), (2, 1993300), (4, 996650), (5, 797320), (8, 498325), (10, 398660), (20, 199330), (25, 159464), (31, 128600), (40, 99665), (50, 79732), (62, 64300), (100, 39866), (124, 32150), (155, 25720), (200, 19933), (248, 16075), (310, 12860), (620, 6430), (643, 6200), (775, 5144), (1240, 3215), (1286, 3100), (1550, 2572)]