2109302780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8112703}}^1$

素因数の和:8112725

約数の個数: 24

約数和(自身を含む): 4770269952

約数和(自身を除く): 2660967172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8112703, 16225406, 32450812, 40563515, 81127030, 105465139, 162254060, 210930278, 421860556, 527325695, 1054651390, 2109302780]

約数ペア:

[(1, 2109302780), (2, 1054651390), (4, 527325695), (5, 421860556), (10, 210930278), (13, 162254060), (20, 105465139), (26, 81127030), (52, 40563515), (65, 32450812), (130, 16225406), (260, 8112703)]