80493877120

素因数分解:

$2^7\times 5^1\times {\mathrm{823}}^1\times {\mathrm{152821}}^1$

素因数の和:153663

約数の個数: 64

約数和(自身を含む): 192665751840

約数和(自身を除く): 112171874720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 823, 1646, 3292, 4115, 6584, 8230, 13168, 16460, 26336, 32920, 52672, 65840, 105344, 131680, 152821, 263360, 305642, 526720, 611284, 764105, 1222568, 1528210, 2445136, 3056420, 4890272, 6112840, 9780544, 12225680, 19561088, 24451360, 48902720, 97805440, 125771683, 251543366, 503086732, 628858415, 1006173464, 1257716830, 2012346928, 2515433660, 4024693856, 5030867320, 8049387712, 10061734640, 16098775424, 20123469280, 40246938560, 80493877120]

約数ペア:

[(1, 80493877120), (2, 40246938560), (4, 20123469280), (5, 16098775424), (8, 10061734640), (10, 8049387712), (16, 5030867320), (20, 4024693856), (32, 2515433660), (40, 2012346928), (64, 1257716830), (80, 1006173464), (128, 628858415), (160, 503086732), (320, 251543366), (640, 125771683), (823, 97805440), (1646, 48902720), (3292, 24451360), (4115, 19561088), (6584, 12225680), (8230, 9780544), (13168, 6112840), (16460, 4890272), (26336, 3056420), (32920, 2445136), (52672, 1528210), (65840, 1222568), (105344, 764105), (131680, 611284), (152821, 526720), (263360, 305642)]