5129540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 11771760

約数和(自身を除く): 6642220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 181, 218, 260, 362, 436, 545, 724, 905, 1090, 1417, 1810, 2180, 2353, 2834, 3620, 4706, 5668, 7085, 9412, 11765, 14170, 19729, 23530, 28340, 39458, 47060, 78916, 98645, 197290, 256477, 394580, 512954, 1025908, 1282385, 2564770, 5129540]

約数ペア:

[(1, 5129540), (2, 2564770), (4, 1282385), (5, 1025908), (10, 512954), (13, 394580), (20, 256477), (26, 197290), (52, 98645), (65, 78916), (109, 47060), (130, 39458), (181, 28340), (218, 23530), (260, 19729), (362, 14170), (436, 11765), (545, 9412), (724, 7085), (905, 5668), (1090, 4706), (1417, 3620), (1810, 2834), (2180, 2353)]