80779520

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 195046656

約数和(自身を除く): 114267136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 283, 320, 446, 566, 640, 892, 1115, 1132, 1280, 1415, 1784, 2230, 2264, 2830, 3568, 4460, 4528, 5660, 7136, 8920, 9056, 11320, 14272, 17840, 18112, 22640, 28544, 35680, 36224, 45280, 57088, 63109, 71360, 72448, 90560, 126218, 142720, 181120, 252436, 285440, 315545, 362240, 504872, 631090, 1009744, 1262180, 2019488, 2524360, 4038976, 5048720, 8077952, 10097440, 16155904, 20194880, 40389760, 80779520]

約数ペア:

[(1, 80779520), (2, 40389760), (4, 20194880), (5, 16155904), (8, 10097440), (10, 8077952), (16, 5048720), (20, 4038976), (32, 2524360), (40, 2019488), (64, 1262180), (80, 1009744), (128, 631090), (160, 504872), (223, 362240), (256, 315545), (283, 285440), (320, 252436), (446, 181120), (566, 142720), (640, 126218), (892, 90560), (1115, 72448), (1132, 71360), (1280, 63109), (1415, 57088), (1784, 45280), (2230, 36224), (2264, 35680), (2830, 28544), (3568, 22640), (4460, 18112), (4528, 17840), (5660, 14272), (7136, 11320), (8920, 9056)]