12654800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 60

約数和(自身を含む): 32208876

約数和(自身を除く): 19554076

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 1861, 3400, 3722, 6800, 7444, 9305, 14888, 18610, 29776, 31637, 37220, 46525, 63274, 74440, 93050, 126548, 148880, 158185, 186100, 253096, 316370, 372200, 506192, 632740, 744400, 790925, 1265480, 1581850, 2530960, 3163700, 6327400, 12654800]

約数ペア:

[(1, 12654800), (2, 6327400), (4, 3163700), (5, 2530960), (8, 1581850), (10, 1265480), (16, 790925), (17, 744400), (20, 632740), (25, 506192), (34, 372200), (40, 316370), (50, 253096), (68, 186100), (80, 158185), (85, 148880), (100, 126548), (136, 93050), (170, 74440), (200, 63274), (272, 46525), (340, 37220), (400, 31637), (425, 29776), (680, 18610), (850, 14888), (1360, 9305), (1700, 7444), (1861, 6800), (3400, 3722)]