7879820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30307}}^1$

素因数の和:30329

約数の個数: 24

約数和(自身を含む): 17821104

約数和(自身を除く): 9941284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30307, 60614, 121228, 151535, 303070, 393991, 606140, 787982, 1575964, 1969955, 3939910, 7879820]

約数ペア:

[(1, 7879820), (2, 3939910), (4, 1969955), (5, 1575964), (10, 787982), (13, 606140), (20, 393991), (26, 303070), (52, 151535), (65, 121228), (130, 60614), (260, 30307)]