2121320

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 4815720

約数和(自身を除く): 2694400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 293, 362, 586, 724, 905, 1172, 1448, 1465, 1810, 2344, 2930, 3620, 5860, 7240, 11720, 53033, 106066, 212132, 265165, 424264, 530330, 1060660, 2121320]

約数ペア:

[(1, 2121320), (2, 1060660), (4, 530330), (5, 424264), (8, 265165), (10, 212132), (20, 106066), (40, 53033), (181, 11720), (293, 7240), (362, 5860), (586, 3620), (724, 2930), (905, 2344), (1172, 1810), (1448, 1465)]