515495920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63799}}^1$

素因数の和:63913

約数の個数: 40

約数和(自身を含む): 1210413600

約数和(自身を除く): 694917680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 63799, 127598, 255196, 318995, 510392, 637990, 1020784, 1275980, 2551960, 5103920, 6443699, 12887398, 25774796, 32218495, 51549592, 64436990, 103099184, 128873980, 257747960, 515495920]

約数ペア:

[(1, 515495920), (2, 257747960), (4, 128873980), (5, 103099184), (8, 64436990), (10, 51549592), (16, 32218495), (20, 25774796), (40, 12887398), (80, 6443699), (101, 5103920), (202, 2551960), (404, 1275980), (505, 1020784), (808, 637990), (1010, 510392), (1616, 318995), (2020, 255196), (4040, 127598), (8080, 63799)]