13503880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25969}}^1$

素因数の和:25993

約数の個数: 32

約数和(自身を含む): 32722200

約数和(自身を除く): 19218320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25969, 51938, 103876, 129845, 207752, 259690, 337597, 519380, 675194, 1038760, 1350388, 1687985, 2700776, 3375970, 6751940, 13503880]

約数ペア:

[(1, 13503880), (2, 6751940), (4, 3375970), (5, 2700776), (8, 1687985), (10, 1350388), (13, 1038760), (20, 675194), (26, 519380), (40, 337597), (52, 259690), (65, 207752), (104, 129845), (130, 103876), (260, 51938), (520, 25969)]