48976280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 115015680

約数和(自身を除く): 66039400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 311, 508, 620, 622, 635, 1016, 1240, 1244, 1270, 1555, 2488, 2540, 3110, 3937, 5080, 6220, 7874, 9641, 12440, 15748, 19282, 19685, 31496, 38564, 39370, 39497, 48205, 77128, 78740, 78994, 96410, 157480, 157988, 192820, 197485, 315976, 385640, 394970, 789940, 1224407, 1579880, 2448814, 4897628, 6122035, 9795256, 12244070, 24488140, 48976280]

約数ペア:

[(1, 48976280), (2, 24488140), (4, 12244070), (5, 9795256), (8, 6122035), (10, 4897628), (20, 2448814), (31, 1579880), (40, 1224407), (62, 789940), (124, 394970), (127, 385640), (155, 315976), (248, 197485), (254, 192820), (310, 157988), (311, 157480), (508, 96410), (620, 78994), (622, 78740), (635, 77128), (1016, 48205), (1240, 39497), (1244, 39370), (1270, 38564), (1555, 31496), (2488, 19685), (2540, 19282), (3110, 15748), (3937, 12440), (5080, 9641), (6220, 7874)]