1485640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 3601080

約数和(自身を除く): 2115440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2857, 5714, 11428, 14285, 22856, 28570, 37141, 57140, 74282, 114280, 148564, 185705, 297128, 371410, 742820, 1485640]

約数ペア:

[(1, 1485640), (2, 742820), (4, 371410), (5, 297128), (8, 185705), (10, 148564), (13, 114280), (20, 74282), (26, 57140), (40, 37141), (52, 28570), (65, 22856), (104, 14285), (130, 11428), (260, 5714), (520, 2857)]