8652020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 11161228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 311, 428, 535, 622, 1070, 1244, 1391, 1555, 2140, 2782, 3110, 4043, 5564, 6220, 6955, 8086, 13910, 16172, 20215, 27820, 33277, 40430, 66554, 80860, 133108, 166385, 332770, 432601, 665540, 865202, 1730404, 2163005, 4326010, 8652020]

約数ペア:

[(1, 8652020), (2, 4326010), (4, 2163005), (5, 1730404), (10, 865202), (13, 665540), (20, 432601), (26, 332770), (52, 166385), (65, 133108), (107, 80860), (130, 66554), (214, 40430), (260, 33277), (311, 27820), (428, 20215), (535, 16172), (622, 13910), (1070, 8086), (1244, 6955), (1391, 6220), (1555, 5564), (2140, 4043), (2782, 3110)]