25684480

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 37168640

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, 1264, 1270, 1280, 1580, 2032, 2528, 2540, 2560, 3160, 4064, 5056, 5080, 6320, 8128, 10033, 10112, 10160, 12640, 16256, 20066, 20224, 20320, 25280, 32512, 40132, 40448, 40640, 50165, 50560, 65024, 80264, 81280, 100330, 101120, 160528, 162560, 200660, 202240, 321056, 325120, 401320, 642112, 802640, 1284224, 1605280, 2568448, 3210560, 5136896, 6421120, 12842240, 25684480]

約数ペア:

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