39511940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151969}}^1$

素因数の和:151991

約数の個数: 24

約数和(自身を含む): 89358360

約数和(自身を除く): 49846420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 151969, 303938, 607876, 759845, 1519690, 1975597, 3039380, 3951194, 7902388, 9877985, 19755970, 39511940]

約数ペア:

[(1, 39511940), (2, 19755970), (4, 9877985), (5, 7902388), (10, 3951194), (13, 3039380), (20, 1975597), (26, 1519690), (52, 759845), (65, 607876), (130, 303938), (260, 151969)]