69940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 158760

約数和(自身を除く): 88820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 13988, 17485, 34970, 69940]

約数ペア:

[(1, 69940), (2, 34970), (4, 17485), (5, 13988), (10, 6994), (13, 5380), (20, 3497), (26, 2690), (52, 1345), (65, 1076), (130, 538), (260, 269)]