2220783280

素因数分解:

$2^4\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{15161}}^1$

素因数の和:17005

約数の個数: 40

約数和(自身を含む): 5166481824

約数和(自身を除く): 2945698544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1831, 3662, 7324, 9155, 14648, 15161, 18310, 29296, 30322, 36620, 60644, 73240, 75805, 121288, 146480, 151610, 242576, 303220, 606440, 1212880, 27759791, 55519582, 111039164, 138798955, 222078328, 277597910, 444156656, 555195820, 1110391640, 2220783280]

約数ペア:

[(1, 2220783280), (2, 1110391640), (4, 555195820), (5, 444156656), (8, 277597910), (10, 222078328), (16, 138798955), (20, 111039164), (40, 55519582), (80, 27759791), (1831, 1212880), (3662, 606440), (7324, 303220), (9155, 242576), (14648, 151610), (15161, 146480), (18310, 121288), (29296, 75805), (30322, 73240), (36620, 60644)]