7944040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15277}}^1$

素因数の和:15301

約数の個数: 32

約数和(自身を含む): 19250280

約数和(自身を除く): 11306240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15277, 30554, 61108, 76385, 122216, 152770, 198601, 305540, 397202, 611080, 794404, 993005, 1588808, 1986010, 3972020, 7944040]

約数ペア:

[(1, 7944040), (2, 3972020), (4, 1986010), (5, 1588808), (8, 993005), (10, 794404), (13, 611080), (20, 397202), (26, 305540), (40, 198601), (52, 152770), (65, 122216), (104, 76385), (130, 61108), (260, 30554), (520, 15277)]