581240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 1427760

約数和(自身を除く): 846520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1321, 2642, 5284, 6605, 10568, 13210, 14531, 26420, 29062, 52840, 58124, 72655, 116248, 145310, 290620, 581240]

約数ペア:

[(1, 581240), (2, 290620), (4, 145310), (5, 116248), (8, 72655), (10, 58124), (11, 52840), (20, 29062), (22, 26420), (40, 14531), (44, 13210), (55, 10568), (88, 6605), (110, 5284), (220, 2642), (440, 1321)]