4242640

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 9952488

約数和(自身を除く): 5709848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 293, 362, 586, 724, 905, 1172, 1448, 1465, 1810, 2344, 2896, 2930, 3620, 4688, 5860, 7240, 11720, 14480, 23440, 53033, 106066, 212132, 265165, 424264, 530330, 848528, 1060660, 2121320, 4242640]

約数ペア:

[(1, 4242640), (2, 2121320), (4, 1060660), (5, 848528), (8, 530330), (10, 424264), (16, 265165), (20, 212132), (40, 106066), (80, 53033), (181, 23440), (293, 14480), (362, 11720), (586, 7240), (724, 5860), (905, 4688), (1172, 3620), (1448, 2930), (1465, 2896), (1810, 2344)]