28215020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 34442260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 739, 830, 1478, 1660, 1909, 2956, 3695, 3818, 7390, 7636, 9545, 14780, 16997, 19090, 33994, 38180, 61337, 67988, 84985, 122674, 169970, 245348, 306685, 339940, 613370, 1226740, 1410751, 2821502, 5643004, 7053755, 14107510, 28215020]

約数ペア:

[(1, 28215020), (2, 14107510), (4, 7053755), (5, 5643004), (10, 2821502), (20, 1410751), (23, 1226740), (46, 613370), (83, 339940), (92, 306685), (115, 245348), (166, 169970), (230, 122674), (332, 84985), (415, 67988), (460, 61337), (739, 38180), (830, 33994), (1478, 19090), (1660, 16997), (1909, 14780), (2956, 9545), (3695, 7636), (3818, 7390)]