27704980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22709}}^1$

素因数の和:22779

約数の個数: 24

約数和(自身を含む): 59136840

約数和(自身を除く): 31431860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22709, 45418, 90836, 113545, 227090, 454180, 1385249, 2770498, 5540996, 6926245, 13852490, 27704980]

約数ペア:

[(1, 27704980), (2, 13852490), (4, 6926245), (5, 5540996), (10, 2770498), (20, 1385249), (61, 454180), (122, 227090), (244, 113545), (305, 90836), (610, 45418), (1220, 22709)]