12644785540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{82141}}^1$

素因数の和:82372

約数の個数: 48

約数和(自身を含む): 27323714880

約数和(自身を除く): 14678929340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 430, 716, 860, 895, 1790, 3580, 7697, 15394, 30788, 38485, 76970, 82141, 153940, 164282, 328564, 410705, 821410, 1642820, 3532063, 7064126, 14128252, 14703239, 17660315, 29406478, 35320630, 58812956, 70641260, 73516195, 147032390, 294064780, 632239277, 1264478554, 2528957108, 3161196385, 6322392770, 12644785540]

約数ペア:

[(1, 12644785540), (2, 6322392770), (4, 3161196385), (5, 2528957108), (10, 1264478554), (20, 632239277), (43, 294064780), (86, 147032390), (172, 73516195), (179, 70641260), (215, 58812956), (358, 35320630), (430, 29406478), (716, 17660315), (860, 14703239), (895, 14128252), (1790, 7064126), (3580, 3532063), (7697, 1642820), (15394, 821410), (30788, 410705), (38485, 328564), (76970, 164282), (82141, 153940)]