164025620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10501}}^1$

素因数の和:10592

約数の個数: 48

約数和(自身を含む): 381096576

約数和(自身を除く): 217070956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 10501, 15620, 21002, 42004, 52505, 105010, 115511, 210020, 231022, 462044, 577555, 745571, 1155110, 1491142, 2310220, 2982284, 3727855, 7455710, 8201281, 14911420, 16402562, 32805124, 41006405, 82012810, 164025620]

約数ペア:

[(1, 164025620), (2, 82012810), (4, 41006405), (5, 32805124), (10, 16402562), (11, 14911420), (20, 8201281), (22, 7455710), (44, 3727855), (55, 2982284), (71, 2310220), (110, 1491142), (142, 1155110), (220, 745571), (284, 577555), (355, 462044), (710, 231022), (781, 210020), (1420, 115511), (1562, 105010), (3124, 52505), (3905, 42004), (7810, 21002), (10501, 15620)]