51630040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16763}}^1$

素因数の和:16792

約数の個数: 64

約数和(自身を含む): 144840960

約数和(自身を除く): 93210920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 16763, 33526, 67052, 83815, 117341, 134104, 167630, 184393, 234682, 335260, 368786, 469364, 586705, 670520, 737572, 921965, 938728, 1173410, 1290751, 1475144, 1843930, 2346820, 2581502, 3687860, 4693640, 5163004, 6453755, 7375720, 10326008, 12907510, 25815020, 51630040]

約数ペア:

[(1, 51630040), (2, 25815020), (4, 12907510), (5, 10326008), (7, 7375720), (8, 6453755), (10, 5163004), (11, 4693640), (14, 3687860), (20, 2581502), (22, 2346820), (28, 1843930), (35, 1475144), (40, 1290751), (44, 1173410), (55, 938728), (56, 921965), (70, 737572), (77, 670520), (88, 586705), (110, 469364), (140, 368786), (154, 335260), (220, 234682), (280, 184393), (308, 167630), (385, 134104), (440, 117341), (616, 83815), (770, 67052), (1540, 33526), (3080, 16763)]