8798920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16921}}^1$

素因数の和:16945

約数の個数: 32

約数和(自身を含む): 21321720

約数和(自身を除く): 12522800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16921, 33842, 67684, 84605, 135368, 169210, 219973, 338420, 439946, 676840, 879892, 1099865, 1759784, 2199730, 4399460, 8798920]

約数ペア:

[(1, 8798920), (2, 4399460), (4, 2199730), (5, 1759784), (8, 1099865), (10, 879892), (13, 676840), (20, 439946), (26, 338420), (40, 219973), (52, 169210), (65, 135368), (104, 84605), (130, 67684), (260, 33842), (520, 16921)]