25760540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99079}}^1$

素因数の和:99101

約数の個数: 24

約数和(自身を含む): 58259040

約数和(自身を除く): 32498500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99079, 198158, 396316, 495395, 990790, 1288027, 1981580, 2576054, 5152108, 6440135, 12880270, 25760540]

約数ペア:

[(1, 25760540), (2, 12880270), (4, 6440135), (5, 5152108), (10, 2576054), (13, 1981580), (20, 1288027), (26, 990790), (52, 495395), (65, 396316), (130, 198158), (260, 99079)]