16576040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 24066520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 251, 254, 260, 502, 508, 520, 635, 1004, 1016, 1255, 1270, 1651, 2008, 2510, 2540, 3263, 3302, 5020, 5080, 6526, 6604, 8255, 10040, 13052, 13208, 16315, 16510, 26104, 31877, 32630, 33020, 63754, 65260, 66040, 127508, 130520, 159385, 255016, 318770, 414401, 637540, 828802, 1275080, 1657604, 2072005, 3315208, 4144010, 8288020, 16576040]

約数ペア:

[(1, 16576040), (2, 8288020), (4, 4144010), (5, 3315208), (8, 2072005), (10, 1657604), (13, 1275080), (20, 828802), (26, 637540), (40, 414401), (52, 318770), (65, 255016), (104, 159385), (127, 130520), (130, 127508), (251, 66040), (254, 65260), (260, 63754), (502, 33020), (508, 32630), (520, 31877), (635, 26104), (1004, 16510), (1016, 16315), (1255, 13208), (1270, 13052), (1651, 10040), (2008, 8255), (2510, 6604), (2540, 6526), (3263, 5080), (3302, 5020)]