80452450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{9521}}^1$

素因数の和:9559

約数の個数: 36

約数和(自身を含む): 162054918

約数和(自身を除く): 81602468

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 9521, 19042, 47605, 95210, 123773, 238025, 247546, 476050, 618865, 1237730, 1609049, 3094325, 3218098, 6188650, 8045245, 16090490, 40226225, 80452450]

約数ペア:

[(1, 80452450), (2, 40226225), (5, 16090490), (10, 8045245), (13, 6188650), (25, 3218098), (26, 3094325), (50, 1609049), (65, 1237730), (130, 618865), (169, 476050), (325, 247546), (338, 238025), (650, 123773), (845, 95210), (1690, 47605), (4225, 19042), (8450, 9521)]