556599940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2140769}}^1$

素因数の和:2140791

約数の個数: 24

約数和(自身を含む): 1258772760

約数和(自身を除く): 702172820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2140769, 4281538, 8563076, 10703845, 21407690, 27829997, 42815380, 55659994, 111319988, 139149985, 278299970, 556599940]

約数ペア:

[(1, 556599940), (2, 278299970), (4, 139149985), (5, 111319988), (10, 55659994), (13, 42815380), (20, 27829997), (26, 21407690), (52, 10703845), (65, 8563076), (130, 4281538), (260, 2140769)]