12897040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12401}}^1$

素因数の和:12427

約数の個数: 40

約数和(自身を含む): 32294808

約数和(自身を除く): 19397768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12401, 24802, 49604, 62005, 99208, 124010, 161213, 198416, 248020, 322426, 496040, 644852, 806065, 992080, 1289704, 1612130, 2579408, 3224260, 6448520, 12897040]

約数ペア:

[(1, 12897040), (2, 6448520), (4, 3224260), (5, 2579408), (8, 1612130), (10, 1289704), (13, 992080), (16, 806065), (20, 644852), (26, 496040), (40, 322426), (52, 248020), (65, 198416), (80, 161213), (104, 124010), (130, 99208), (208, 62005), (260, 49604), (520, 24802), (1040, 12401)]