49995140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5197}}^1$

素因数の和:5256

約数の個数: 48

約数和(自身を含む): 116144112

約数和(自身を除く): 66148972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 5197, 9620, 10394, 20788, 25985, 51970, 67561, 103940, 135122, 192289, 270244, 337805, 384578, 675610, 769156, 961445, 1351220, 1922890, 2499757, 3845780, 4999514, 9999028, 12498785, 24997570, 49995140]

約数ペア:

[(1, 49995140), (2, 24997570), (4, 12498785), (5, 9999028), (10, 4999514), (13, 3845780), (20, 2499757), (26, 1922890), (37, 1351220), (52, 961445), (65, 769156), (74, 675610), (130, 384578), (148, 337805), (185, 270244), (260, 192289), (370, 135122), (481, 103940), (740, 67561), (962, 51970), (1924, 25985), (2405, 20788), (4810, 10394), (5197, 9620)]