20100456680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{11027}}^1$

素因数の和:11466

約数の個数: 64

約数和(自身を含む): 45655920000

約数和(自身を除く): 25555463320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 229, 398, 458, 796, 916, 995, 1145, 1592, 1832, 1990, 2290, 3980, 4580, 7960, 9160, 11027, 22054, 44108, 45571, 55135, 88216, 91142, 110270, 182284, 220540, 227855, 364568, 441080, 455710, 911420, 1822840, 2194373, 2525183, 4388746, 5050366, 8777492, 10100732, 10971865, 12625915, 17554984, 20201464, 21943730, 25251830, 43887460, 50503660, 87774920, 101007320, 502511417, 1005022834, 2010045668, 2512557085, 4020091336, 5025114170, 10050228340, 20100456680]

約数ペア:

[(1, 20100456680), (2, 10050228340), (4, 5025114170), (5, 4020091336), (8, 2512557085), (10, 2010045668), (20, 1005022834), (40, 502511417), (199, 101007320), (229, 87774920), (398, 50503660), (458, 43887460), (796, 25251830), (916, 21943730), (995, 20201464), (1145, 17554984), (1592, 12625915), (1832, 10971865), (1990, 10100732), (2290, 8777492), (3980, 5050366), (4580, 4388746), (7960, 2525183), (9160, 2194373), (11027, 1822840), (22054, 911420), (44108, 455710), (45571, 441080), (55135, 364568), (88216, 227855), (91142, 220540), (110270, 182284)]