20140421320

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1451039}}^1$

素因数の和:1451397

約数の個数: 32

約数和(自身を含む): 45446572800

約数和(自身を除く): 25306151480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 1451039, 2902078, 5804156, 7255195, 11608312, 14510390, 29020780, 58041560, 503510533, 1007021066, 2014042132, 2517552665, 4028084264, 5035105330, 10070210660, 20140421320]

約数ペア:

[(1, 20140421320), (2, 10070210660), (4, 5035105330), (5, 4028084264), (8, 2517552665), (10, 2014042132), (20, 1007021066), (40, 503510533), (347, 58041560), (694, 29020780), (1388, 14510390), (1735, 11608312), (2776, 7255195), (3470, 5804156), (6940, 2902078), (13880, 1451039)]