55432780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213203}}^1$

素因数の和:213225

約数の個数: 24

約数和(自身を含む): 125363952

約数和(自身を除く): 69931172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 213203, 426406, 852812, 1066015, 2132030, 2771639, 4264060, 5543278, 11086556, 13858195, 27716390, 55432780]

約数ペア:

[(1, 55432780), (2, 27716390), (4, 13858195), (5, 11086556), (10, 5543278), (13, 4264060), (20, 2771639), (26, 2132030), (52, 1066015), (65, 852812), (130, 426406), (260, 213203)]