996866960

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 2353777920

約数和(自身を除く): 1356910960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 311, 389, 412, 515, 622, 778, 824, 1030, 1244, 1555, 1556, 1648, 1945, 2060, 2488, 3110, 3112, 3890, 4120, 4976, 6220, 6224, 7780, 8240, 12440, 15560, 24880, 31120, 32033, 40067, 64066, 80134, 120979, 128132, 160165, 160268, 200335, 241958, 256264, 320330, 320536, 400670, 483916, 512528, 604895, 640660, 641072, 801340, 967832, 1209790, 1281320, 1602680, 1935664, 2419580, 2562640, 3205360, 4839160, 9678320, 12460837, 24921674, 49843348, 62304185, 99686696, 124608370, 199373392, 249216740, 498433480, 996866960]

約数ペア:

[(1, 996866960), (2, 498433480), (4, 249216740), (5, 199373392), (8, 124608370), (10, 99686696), (16, 62304185), (20, 49843348), (40, 24921674), (80, 12460837), (103, 9678320), (206, 4839160), (311, 3205360), (389, 2562640), (412, 2419580), (515, 1935664), (622, 1602680), (778, 1281320), (824, 1209790), (1030, 967832), (1244, 801340), (1555, 641072), (1556, 640660), (1648, 604895), (1945, 512528), (2060, 483916), (2488, 400670), (3110, 320536), (3112, 320330), (3890, 256264), (4120, 241958), (4976, 200335), (6220, 160268), (6224, 160165), (7780, 128132), (8240, 120979), (12440, 80134), (15560, 64066), (24880, 40067), (31120, 32033)]