8288020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 18966528

約数和(自身を除く): 10678508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 251, 254, 260, 502, 508, 635, 1004, 1255, 1270, 1651, 2510, 2540, 3263, 3302, 5020, 6526, 6604, 8255, 13052, 16315, 16510, 31877, 32630, 33020, 63754, 65260, 127508, 159385, 318770, 414401, 637540, 828802, 1657604, 2072005, 4144010, 8288020]

約数ペア:

[(1, 8288020), (2, 4144010), (4, 2072005), (5, 1657604), (10, 828802), (13, 637540), (20, 414401), (26, 318770), (52, 159385), (65, 127508), (127, 65260), (130, 63754), (251, 33020), (254, 32630), (260, 31877), (502, 16510), (508, 16315), (635, 13052), (1004, 8255), (1255, 6604), (1270, 6526), (1651, 5020), (2510, 3302), (2540, 3263)]