56739280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 143897040

約数和(自身を除く): 87157760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 613, 712, 890, 1040, 1157, 1226, 1424, 1780, 2314, 2452, 3065, 3560, 4628, 4904, 5785, 6130, 7120, 7969, 9256, 9808, 11570, 12260, 15938, 18512, 23140, 24520, 31876, 39845, 46280, 49040, 54557, 63752, 79690, 92560, 109114, 127504, 159380, 218228, 272785, 318760, 436456, 545570, 637520, 709241, 872912, 1091140, 1418482, 2182280, 2836964, 3546205, 4364560, 5673928, 7092410, 11347856, 14184820, 28369640, 56739280]

約数ペア:

[(1, 56739280), (2, 28369640), (4, 14184820), (5, 11347856), (8, 7092410), (10, 5673928), (13, 4364560), (16, 3546205), (20, 2836964), (26, 2182280), (40, 1418482), (52, 1091140), (65, 872912), (80, 709241), (89, 637520), (104, 545570), (130, 436456), (178, 318760), (208, 272785), (260, 218228), (356, 159380), (445, 127504), (520, 109114), (613, 92560), (712, 79690), (890, 63752), (1040, 54557), (1157, 49040), (1226, 46280), (1424, 39845), (1780, 31876), (2314, 24520), (2452, 23140), (3065, 18512), (3560, 15938), (4628, 12260), (4904, 11570), (5785, 9808), (6130, 9256), (7120, 7969)]