1433994640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1378841}}^1$

素因数の和:1378867

約数の個数: 40

約数和(自身を含む): 3590504568

約数和(自身を除く): 2156509928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1378841, 2757682, 5515364, 6894205, 11030728, 13788410, 17924933, 22061456, 27576820, 35849866, 55153640, 71699732, 89624665, 110307280, 143399464, 179249330, 286798928, 358498660, 716997320, 1433994640]

約数ペア:

[(1, 1433994640), (2, 716997320), (4, 358498660), (5, 286798928), (8, 179249330), (10, 143399464), (13, 110307280), (16, 89624665), (20, 71699732), (26, 55153640), (40, 35849866), (52, 27576820), (65, 22061456), (80, 17924933), (104, 13788410), (130, 11030728), (208, 6894205), (260, 5515364), (520, 2757682), (1040, 1378841)]