7978840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 18084960

約数和(自身を除く): 10106120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1321, 1510, 2642, 3020, 5284, 6040, 6605, 10568, 13210, 26420, 52840, 199471, 398942, 797884, 997355, 1595768, 1994710, 3989420, 7978840]

約数ペア:

[(1, 7978840), (2, 3989420), (4, 1994710), (5, 1595768), (8, 997355), (10, 797884), (20, 398942), (40, 199471), (151, 52840), (302, 26420), (604, 13210), (755, 10568), (1208, 6605), (1321, 6040), (1510, 5284), (2642, 3020)]