8858980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2621}}^1$

素因数の和:2656

約数の個数: 36

約数和(自身を含む): 20152692

約数和(自身を除く): 11293712

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2621, 3380, 5242, 10484, 13105, 26210, 34073, 52420, 68146, 136292, 170365, 340730, 442949, 681460, 885898, 1771796, 2214745, 4429490, 8858980]

約数ペア:

[(1, 8858980), (2, 4429490), (4, 2214745), (5, 1771796), (10, 885898), (13, 681460), (20, 442949), (26, 340730), (52, 170365), (65, 136292), (130, 68146), (169, 52420), (260, 34073), (338, 26210), (676, 13105), (845, 10484), (1690, 5242), (2621, 3380)]