25311390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64901}}^1$

素因数の和:64924

約数の個数: 32

約数和(自身を含む): 65421216

約数和(自身を除く): 40109826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64901, 129802, 194703, 324505, 389406, 649010, 843713, 973515, 1687426, 1947030, 2531139, 4218565, 5062278, 8437130, 12655695, 25311390]

約数ペア:

[(1, 25311390), (2, 12655695), (3, 8437130), (5, 5062278), (6, 4218565), (10, 2531139), (13, 1947030), (15, 1687426), (26, 973515), (30, 843713), (39, 649010), (65, 389406), (78, 324505), (130, 194703), (195, 129802), (390, 64901)]