5439460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20943

約数の個数: 24

約数和(自身を含む): 12302136

約数和(自身を除く): 6862676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20921, 41842, 83684, 104605, 209210, 271973, 418420, 543946, 1087892, 1359865, 2719730, 5439460]

約数ペア:

[(1, 5439460), (2, 2719730), (4, 1359865), (5, 1087892), (10, 543946), (13, 418420), (20, 271973), (26, 209210), (52, 104605), (65, 83684), (130, 41842), (260, 20921)]