13458220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 31243968

約数和(自身を除く): 17785748

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1721, 1955, 3442, 3910, 6884, 7820, 8605, 17210, 29257, 34420, 39583, 58514, 79166, 117028, 146285, 158332, 197915, 292570, 395830, 585140, 672911, 791660, 1345822, 2691644, 3364555, 6729110, 13458220]

約数ペア:

[(1, 13458220), (2, 6729110), (4, 3364555), (5, 2691644), (10, 1345822), (17, 791660), (20, 672911), (23, 585140), (34, 395830), (46, 292570), (68, 197915), (85, 158332), (92, 146285), (115, 117028), (170, 79166), (230, 58514), (340, 39583), (391, 34420), (460, 29257), (782, 17210), (1564, 8605), (1721, 7820), (1955, 6884), (3442, 3910)]