488956780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1880603}}^1$

素因数の和:1880625

約数の個数: 24

約数和(自身を含む): 1105795152

約数和(自身を除く): 616838372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1880603, 3761206, 7522412, 9403015, 18806030, 24447839, 37612060, 48895678, 97791356, 122239195, 244478390, 488956780]

約数ペア:

[(1, 488956780), (2, 244478390), (4, 122239195), (5, 97791356), (10, 48895678), (13, 37612060), (20, 24447839), (26, 18806030), (52, 9403015), (65, 7522412), (130, 3761206), (260, 1880603)]