80554240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 214276608

約数和(自身を除く): 133722368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 103, 104, 128, 130, 160, 188, 206, 208, 235, 256, 260, 320, 376, 412, 416, 470, 515, 520, 611, 640, 752, 824, 832, 940, 1030, 1040, 1222, 1280, 1339, 1504, 1648, 1664, 1880, 2060, 2080, 2444, 2678, 3008, 3055, 3296, 3328, 3760, 4120, 4160, 4841, 4888, 5356, 6016, 6110, 6592, 6695, 7520, 8240, 8320, 9682, 9776, 10712, 12032, 12220, 13184, 13390, 15040, 16480, 16640, 19364, 19552, 21424, 24205, 24440, 26368, 26780, 30080, 32960, 38728, 39104, 42848, 48410, 48880, 53560, 60160, 62933, 65920, 77456, 78208, 85696, 96820, 97760, 107120, 125866, 131840, 154912, 156416, 171392, 193640, 195520, 214240, 251732, 309824, 314665, 342784, 387280, 391040, 428480, 503464, 619648, 629330, 774560, 782080, 856960, 1006928, 1239296, 1258660, 1549120, 1713920, 2013856, 2517320, 3098240, 4027712, 5034640, 6196480, 8055424, 10069280, 16110848, 20138560, 40277120, 80554240]

約数ペア:

[(1, 80554240), (2, 40277120), (4, 20138560), (5, 16110848), (8, 10069280), (10, 8055424), (13, 6196480), (16, 5034640), (20, 4027712), (26, 3098240), (32, 2517320), (40, 2013856), (47, 1713920), (52, 1549120), (64, 1258660), (65, 1239296), (80, 1006928), (94, 856960), (103, 782080), (104, 774560), (128, 629330), (130, 619648), (160, 503464), (188, 428480), (206, 391040), (208, 387280), (235, 342784), (256, 314665), (260, 309824), (320, 251732), (376, 214240), (412, 195520), (416, 193640), (470, 171392), (515, 156416), (520, 154912), (611, 131840), (640, 125866), (752, 107120), (824, 97760), (832, 96820), (940, 85696), (1030, 78208), (1040, 77456), (1222, 65920), (1280, 62933), (1339, 60160), (1504, 53560), (1648, 48880), (1664, 48410), (1880, 42848), (2060, 39104), (2080, 38728), (2444, 32960), (2678, 30080), (3008, 26780), (3055, 26368), (3296, 24440), (3328, 24205), (3760, 21424), (4120, 19552), (4160, 19364), (4841, 16640), (4888, 16480), (5356, 15040), (6016, 13390), (6110, 13184), (6592, 12220), (6695, 12032), (7520, 10712), (8240, 9776), (8320, 9682)]