25081990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23011}}^1$

素因数の和:23127

約数の個数: 16

約数和(自身を含む): 45563760

約数和(自身を除く): 20481770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 23011, 46022, 115055, 230110, 2508199, 5016398, 12540995, 25081990]

約数ペア:

[(1, 25081990), (2, 12540995), (5, 5016398), (10, 2508199), (109, 230110), (218, 115055), (545, 46022), (1090, 23011)]