28637960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55073}}^1$

素因数の和:55097

約数の個数: 32

約数和(自身を含む): 69393240

約数和(自身を除く): 40755280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55073, 110146, 220292, 275365, 440584, 550730, 715949, 1101460, 1431898, 2202920, 2863796, 3579745, 5727592, 7159490, 14318980, 28637960]

約数ペア:

[(1, 28637960), (2, 14318980), (4, 7159490), (5, 5727592), (8, 3579745), (10, 2863796), (13, 2202920), (20, 1431898), (26, 1101460), (40, 715949), (52, 550730), (65, 440584), (104, 275365), (130, 220292), (260, 110146), (520, 55073)]