31747820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5354

約数の個数: 48

約数和(自身を含む): 74934720

約数和(自身を除く): 43186900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5309, 5980, 10618, 21236, 26545, 53090, 69017, 106180, 122107, 138034, 244214, 276068, 345085, 488428, 610535, 690170, 1221070, 1380340, 1587391, 2442140, 3174782, 6349564, 7936955, 15873910, 31747820]

約数ペア:

[(1, 31747820), (2, 15873910), (4, 7936955), (5, 6349564), (10, 3174782), (13, 2442140), (20, 1587391), (23, 1380340), (26, 1221070), (46, 690170), (52, 610535), (65, 488428), (92, 345085), (115, 276068), (130, 244214), (230, 138034), (260, 122107), (299, 106180), (460, 69017), (598, 53090), (1196, 26545), (1495, 21236), (2990, 10618), (5309, 5980)]