2480496460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{180007}}^1$

素因数の和:180082

約数の個数: 48

約数和(自身を含む): 5715614016

約数和(自身を除く): 3235117556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 180007, 360014, 720028, 900035, 1800070, 2340091, 3600140, 4680182, 9360364, 9540371, 11700455, 19080742, 23400910, 38161484, 46801820, 47701855, 95403710, 124024823, 190807420, 248049646, 496099292, 620124115, 1240248230, 2480496460]

約数ペア:

[(1, 2480496460), (2, 1240248230), (4, 620124115), (5, 496099292), (10, 248049646), (13, 190807420), (20, 124024823), (26, 95403710), (52, 47701855), (53, 46801820), (65, 38161484), (106, 23400910), (130, 19080742), (212, 11700455), (260, 9540371), (265, 9360364), (530, 4680182), (689, 3600140), (1060, 2340091), (1378, 1800070), (2756, 900035), (3445, 720028), (6890, 360014), (13780, 180007)]