51368960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 88

約数和(自身を含む): 125767680

約数和(自身を除く): 74398720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 127, 128, 158, 160, 254, 256, 316, 320, 395, 508, 512, 632, 635, 640, 790, 1016, 1024, 1264, 1270, 1280, 1580, 2032, 2528, 2540, 2560, 3160, 4064, 5056, 5080, 5120, 6320, 8128, 10033, 10112, 10160, 12640, 16256, 20066, 20224, 20320, 25280, 32512, 40132, 40448, 40640, 50165, 50560, 65024, 80264, 80896, 81280, 100330, 101120, 130048, 160528, 162560, 200660, 202240, 321056, 325120, 401320, 404480, 642112, 650240, 802640, 1284224, 1605280, 2568448, 3210560, 5136896, 6421120, 10273792, 12842240, 25684480, 51368960]

約数ペア:

[(1, 51368960), (2, 25684480), (4, 12842240), (5, 10273792), (8, 6421120), (10, 5136896), (16, 3210560), (20, 2568448), (32, 1605280), (40, 1284224), (64, 802640), (79, 650240), (80, 642112), (127, 404480), (128, 401320), (158, 325120), (160, 321056), (254, 202240), (256, 200660), (316, 162560), (320, 160528), (395, 130048), (508, 101120), (512, 100330), (632, 81280), (635, 80896), (640, 80264), (790, 65024), (1016, 50560), (1024, 50165), (1264, 40640), (1270, 40448), (1280, 40132), (1580, 32512), (2032, 25280), (2528, 20320), (2540, 20224), (2560, 20066), (3160, 16256), (4064, 12640), (5056, 10160), (5080, 10112), (5120, 10033), (6320, 8128)]