51090520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98251}}^1$

素因数の和:98275

約数の個数: 32

約数和(自身を含む): 123797520

約数和(自身を除く): 72707000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98251, 196502, 393004, 491255, 786008, 982510, 1277263, 1965020, 2554526, 3930040, 5109052, 6386315, 10218104, 12772630, 25545260, 51090520]

約数ペア:

[(1, 51090520), (2, 25545260), (4, 12772630), (5, 10218104), (8, 6386315), (10, 5109052), (13, 3930040), (20, 2554526), (26, 1965020), (40, 1277263), (52, 982510), (65, 786008), (104, 491255), (130, 393004), (260, 196502), (520, 98251)]