78796120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151531}}^1$

素因数の和:151555

約数の個数: 32

約数和(自身を含む): 190930320

約数和(自身を除く): 112134200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 151531, 303062, 606124, 757655, 1212248, 1515310, 1969903, 3030620, 3939806, 6061240, 7879612, 9849515, 15759224, 19699030, 39398060, 78796120]

約数ペア:

[(1, 78796120), (2, 39398060), (4, 19699030), (5, 15759224), (8, 9849515), (10, 7879612), (13, 6061240), (20, 3939806), (26, 3030620), (40, 1969903), (52, 1515310), (65, 1212248), (104, 757655), (130, 606124), (260, 303062), (520, 151531)]