1616420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6217}}^1$

素因数の和:6239

約数の個数: 24

約数和(自身を含む): 3656184

約数和(自身を除く): 2039764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6217, 12434, 24868, 31085, 62170, 80821, 124340, 161642, 323284, 404105, 808210, 1616420]

約数ペア:

[(1, 1616420), (2, 808210), (4, 404105), (5, 323284), (10, 161642), (13, 124340), (20, 80821), (26, 62170), (52, 31085), (65, 24868), (130, 12434), (260, 6217)]