71991040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5113}}^1$

素因数の和:5145

約数の個数: 72

約数和(自身を含む): 188154288

約数和(自身を除く): 116163248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5113, 7040, 10226, 14080, 20452, 25565, 40904, 51130, 56243, 81808, 102260, 112486, 163616, 204520, 224972, 281215, 327232, 409040, 449944, 562430, 654464, 818080, 899888, 1124860, 1308928, 1636160, 1799776, 2249720, 3272320, 3599552, 4499440, 6544640, 7199104, 8998880, 14398208, 17997760, 35995520, 71991040]

約数ペア:

[(1, 71991040), (2, 35995520), (4, 17997760), (5, 14398208), (8, 8998880), (10, 7199104), (11, 6544640), (16, 4499440), (20, 3599552), (22, 3272320), (32, 2249720), (40, 1799776), (44, 1636160), (55, 1308928), (64, 1124860), (80, 899888), (88, 818080), (110, 654464), (128, 562430), (160, 449944), (176, 409040), (220, 327232), (256, 281215), (320, 224972), (352, 204520), (440, 163616), (640, 112486), (704, 102260), (880, 81808), (1280, 56243), (1408, 51130), (1760, 40904), (2816, 25565), (3520, 20452), (5113, 14080), (7040, 10226)]