80642300

素因数分解:

$2^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{2593}}^1$

素因数の和:2918

約数の個数: 36

約数和(自身を含む): 175624176

約数和(自身を除く): 94981876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 311, 622, 1244, 1555, 2593, 3110, 5186, 6220, 7775, 10372, 12965, 15550, 25930, 31100, 51860, 64825, 129650, 259300, 806423, 1612846, 3225692, 4032115, 8064230, 16128460, 20160575, 40321150, 80642300]

約数ペア:

[(1, 80642300), (2, 40321150), (4, 20160575), (5, 16128460), (10, 8064230), (20, 4032115), (25, 3225692), (50, 1612846), (100, 806423), (311, 259300), (622, 129650), (1244, 64825), (1555, 51860), (2593, 31100), (3110, 25930), (5186, 15550), (6220, 12965), (7775, 10372)]