89428040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{13229}}^1$

素因数の和:13266

約数の個数: 48

約数和(自身を含む): 217898100

約数和(自身を除く): 128470060

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 13229, 26458, 52916, 66145, 105832, 132290, 171977, 264580, 343954, 529160, 687908, 859885, 1375816, 1719770, 2235701, 3439540, 4471402, 6879080, 8942804, 11178505, 17885608, 22357010, 44714020, 89428040]

約数ペア:

[(1, 89428040), (2, 44714020), (4, 22357010), (5, 17885608), (8, 11178505), (10, 8942804), (13, 6879080), (20, 4471402), (26, 3439540), (40, 2235701), (52, 1719770), (65, 1375816), (104, 859885), (130, 687908), (169, 529160), (260, 343954), (338, 264580), (520, 171977), (676, 132290), (845, 105832), (1352, 66145), (1690, 52916), (3380, 26458), (6760, 13229)]