129031940

素因数分解:

$2^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{3539}}^1$

素因数の和:5371

約数の個数: 24

約数和(自身を含む): 271192320

約数和(自身を除く): 142160380

約数列:

[1, 2, 4, 5, 10, 20, 1823, 3539, 3646, 7078, 7292, 9115, 14156, 17695, 18230, 35390, 36460, 70780, 6451597, 12903194, 25806388, 32257985, 64515970, 129031940]

約数ペア:

[(1, 129031940), (2, 64515970), (4, 32257985), (5, 25806388), (10, 12903194), (20, 6451597), (1823, 70780), (3539, 36460), (3646, 35390), (7078, 18230), (7292, 17695), (9115, 14156)]