28647580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110183}}^1$

素因数の和:110205

約数の個数: 24

約数和(自身を含む): 64788192

約数和(自身を除く): 36140612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110183, 220366, 440732, 550915, 1101830, 1432379, 2203660, 2864758, 5729516, 7161895, 14323790, 28647580]

約数ペア:

[(1, 28647580), (2, 14323790), (4, 7161895), (5, 5729516), (10, 2864758), (13, 2203660), (20, 1432379), (26, 1101830), (52, 550915), (65, 440732), (130, 220366), (260, 110183)]