12895220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49597}}^1$

素因数の和:49619

約数の個数: 24

約数和(自身を含む): 29163624

約数和(自身を除く): 16268404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49597, 99194, 198388, 247985, 495970, 644761, 991940, 1289522, 2579044, 3223805, 6447610, 12895220]

約数ペア:

[(1, 12895220), (2, 6447610), (4, 3223805), (5, 2579044), (10, 1289522), (13, 991940), (20, 644761), (26, 495970), (52, 247985), (65, 198388), (130, 99194), (260, 49597)]