64398320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{114997}}^1$

素因数の和:115017

約数の個数: 40

約数和(自身を含む): 171117024

約数和(自身を除く): 106718704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 114997, 229994, 459988, 574985, 804979, 919976, 1149970, 1609958, 1839952, 2299940, 3219916, 4024895, 4599880, 6439832, 8049790, 9199760, 12879664, 16099580, 32199160, 64398320]

約数ペア:

[(1, 64398320), (2, 32199160), (4, 16099580), (5, 12879664), (7, 9199760), (8, 8049790), (10, 6439832), (14, 4599880), (16, 4024895), (20, 3219916), (28, 2299940), (35, 1839952), (40, 1609958), (56, 1149970), (70, 919976), (80, 804979), (112, 574985), (140, 459988), (280, 229994), (560, 114997)]