25121230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 48074400

約数和(自身を除く): 22953170

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 1213, 2071, 2426, 4142, 6065, 10355, 12130, 20710, 23047, 46094, 115235, 132217, 230470, 264434, 661085, 1322170, 2512123, 5024246, 12560615, 25121230]

約数ペア:

[(1, 25121230), (2, 12560615), (5, 5024246), (10, 2512123), (19, 1322170), (38, 661085), (95, 264434), (109, 230470), (190, 132217), (218, 115235), (545, 46094), (1090, 23047), (1213, 20710), (2071, 12130), (2426, 10355), (4142, 6065)]