65816480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 162570240

約数和(自身を除く): 96753760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 79, 80, 82, 127, 158, 160, 164, 205, 254, 316, 328, 395, 410, 508, 632, 635, 656, 790, 820, 1016, 1264, 1270, 1312, 1580, 1640, 2032, 2528, 2540, 3160, 3239, 3280, 4064, 5080, 5207, 6320, 6478, 6560, 10033, 10160, 10414, 12640, 12956, 16195, 20066, 20320, 20828, 25912, 26035, 32390, 40132, 41656, 50165, 51824, 52070, 64780, 80264, 83312, 100330, 103648, 104140, 129560, 160528, 166624, 200660, 208280, 259120, 321056, 401320, 411353, 416560, 518240, 802640, 822706, 833120, 1605280, 1645412, 2056765, 3290824, 4113530, 6581648, 8227060, 13163296, 16454120, 32908240, 65816480]

約数ペア:

[(1, 65816480), (2, 32908240), (4, 16454120), (5, 13163296), (8, 8227060), (10, 6581648), (16, 4113530), (20, 3290824), (32, 2056765), (40, 1645412), (41, 1605280), (79, 833120), (80, 822706), (82, 802640), (127, 518240), (158, 416560), (160, 411353), (164, 401320), (205, 321056), (254, 259120), (316, 208280), (328, 200660), (395, 166624), (410, 160528), (508, 129560), (632, 104140), (635, 103648), (656, 100330), (790, 83312), (820, 80264), (1016, 64780), (1264, 52070), (1270, 51824), (1312, 50165), (1580, 41656), (1640, 40132), (2032, 32390), (2528, 26035), (2540, 25912), (3160, 20828), (3239, 20320), (3280, 20066), (4064, 16195), (5080, 12956), (5207, 12640), (6320, 10414), (6478, 10160), (6560, 10033)]