2671580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 5838840

約数和(自身を除く): 3167260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 961, 1390, 1922, 2780, 3844, 4309, 4805, 8618, 9610, 17236, 19220, 21545, 43090, 86180, 133579, 267158, 534316, 667895, 1335790, 2671580]

約数ペア:

[(1, 2671580), (2, 1335790), (4, 667895), (5, 534316), (10, 267158), (20, 133579), (31, 86180), (62, 43090), (124, 21545), (139, 19220), (155, 17236), (278, 9610), (310, 8618), (556, 4805), (620, 4309), (695, 3844), (961, 2780), (1390, 1922)]