36389140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 79027200

約数和(自身を除く): 42638060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 223, 398, 410, 446, 796, 820, 892, 995, 1115, 1990, 2230, 3980, 4460, 8159, 9143, 16318, 18286, 32636, 36572, 40795, 44377, 45715, 81590, 88754, 91430, 163180, 177508, 182860, 221885, 443770, 887540, 1819457, 3638914, 7277828, 9097285, 18194570, 36389140]

約数ペア:

[(1, 36389140), (2, 18194570), (4, 9097285), (5, 7277828), (10, 3638914), (20, 1819457), (41, 887540), (82, 443770), (164, 221885), (199, 182860), (205, 177508), (223, 163180), (398, 91430), (410, 88754), (446, 81590), (796, 45715), (820, 44377), (892, 40795), (995, 36572), (1115, 32636), (1990, 18286), (2230, 16318), (3980, 9143), (4460, 8159)]