71242720

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5003}}^1$

素因数の和:5107

約数の個数: 48

約数和(自身を含む): 170236080

約数和(自身を除く): 98993360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5003, 7120, 10006, 14240, 20012, 25015, 40024, 50030, 80048, 100060, 160096, 200120, 400240, 445267, 800480, 890534, 1781068, 2226335, 3562136, 4452670, 7124272, 8905340, 14248544, 17810680, 35621360, 71242720]

約数ペア:

[(1, 71242720), (2, 35621360), (4, 17810680), (5, 14248544), (8, 8905340), (10, 7124272), (16, 4452670), (20, 3562136), (32, 2226335), (40, 1781068), (80, 890534), (89, 800480), (160, 445267), (178, 400240), (356, 200120), (445, 160096), (712, 100060), (890, 80048), (1424, 50030), (1780, 40024), (2848, 25015), (3560, 20012), (5003, 14240), (7120, 10006)]