80100400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4657}}^1$

素因数の和:4718

約数の個数: 60

約数和(自身を含む): 196958872

約数和(自身を除く): 116858472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 4657, 8600, 9314, 17200, 18628, 23285, 37256, 46570, 74512, 93140, 116425, 186280, 200251, 232850, 372560, 400502, 465700, 801004, 931400, 1001255, 1602008, 1862800, 2002510, 3204016, 4005020, 5006275, 8010040, 10012550, 16020080, 20025100, 40050200, 80100400]

約数ペア:

[(1, 80100400), (2, 40050200), (4, 20025100), (5, 16020080), (8, 10012550), (10, 8010040), (16, 5006275), (20, 4005020), (25, 3204016), (40, 2002510), (43, 1862800), (50, 1602008), (80, 1001255), (86, 931400), (100, 801004), (172, 465700), (200, 400502), (215, 372560), (344, 232850), (400, 200251), (430, 186280), (688, 116425), (860, 93140), (1075, 74512), (1720, 46570), (2150, 37256), (3440, 23285), (4300, 18628), (4657, 17200), (8600, 9314)]