209385760

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15767}}^1$

素因数の和:15865

約数の個数: 48

約数和(自身を含む): 500665536

約数和(自身を除く): 291279776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 15767, 31534, 63068, 78835, 126136, 157670, 252272, 315340, 504544, 630680, 1261360, 1308661, 2522720, 2617322, 5234644, 6543305, 10469288, 13086610, 20938576, 26173220, 41877152, 52346440, 104692880, 209385760]

約数ペア:

[(1, 209385760), (2, 104692880), (4, 52346440), (5, 41877152), (8, 26173220), (10, 20938576), (16, 13086610), (20, 10469288), (32, 6543305), (40, 5234644), (80, 2617322), (83, 2522720), (160, 1308661), (166, 1261360), (332, 630680), (415, 504544), (664, 315340), (830, 252272), (1328, 157670), (1660, 126136), (2656, 78835), (3320, 63068), (6640, 31534), (13280, 15767)]