99979520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4151

約数の個数: 72

約数和(自身を含む): 252147840

約数和(自身を除く): 152168320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4111, 4864, 6080, 8222, 12160, 16444, 20555, 24320, 32888, 41110, 65776, 78109, 82220, 131552, 156218, 164440, 263104, 312436, 328880, 390545, 526208, 624872, 657760, 781090, 1052416, 1249744, 1315520, 1562180, 2499488, 2631040, 3124360, 4998976, 5262080, 6248720, 9997952, 12497440, 19995904, 24994880, 49989760, 99979520]

約数ペア:

[(1, 99979520), (2, 49989760), (4, 24994880), (5, 19995904), (8, 12497440), (10, 9997952), (16, 6248720), (19, 5262080), (20, 4998976), (32, 3124360), (38, 2631040), (40, 2499488), (64, 1562180), (76, 1315520), (80, 1249744), (95, 1052416), (128, 781090), (152, 657760), (160, 624872), (190, 526208), (256, 390545), (304, 328880), (320, 312436), (380, 263104), (608, 164440), (640, 156218), (760, 131552), (1216, 82220), (1280, 78109), (1520, 65776), (2432, 41110), (3040, 32888), (4111, 24320), (4864, 20555), (6080, 16444), (8222, 12160)]