2557566980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{3767}}^1$

素因数の和:4268

約数の個数: 48

約数和(自身を含む): 5450336640

約数和(自身を除く): 2892769660

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 409, 415, 818, 830, 1636, 1660, 2045, 3767, 4090, 7534, 8180, 15068, 18835, 33947, 37670, 67894, 75340, 135788, 169735, 312661, 339470, 625322, 678940, 1250644, 1540703, 1563305, 3081406, 3126610, 6162812, 6253220, 7703515, 15407030, 30814060, 127878349, 255756698, 511513396, 639391745, 1278783490, 2557566980]

約数ペア:

[(1, 2557566980), (2, 1278783490), (4, 639391745), (5, 511513396), (10, 255756698), (20, 127878349), (83, 30814060), (166, 15407030), (332, 7703515), (409, 6253220), (415, 6162812), (818, 3126610), (830, 3081406), (1636, 1563305), (1660, 1540703), (2045, 1250644), (3767, 678940), (4090, 625322), (7534, 339470), (8180, 312661), (15068, 169735), (18835, 135788), (33947, 75340), (37670, 67894)]