20199006440

素因数分解:

$2^3\times 5^1\times {\mathrm{7499}}^1\times {\mathrm{67339}}^1$

素因数の和:74849

約数の個数: 32

約数和(自身を含む): 45454500000

約数和(自身を除く): 25255493560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7499, 14998, 29996, 37495, 59992, 67339, 74990, 134678, 149980, 269356, 299960, 336695, 538712, 673390, 1346780, 2693560, 504975161, 1009950322, 2019900644, 2524875805, 4039801288, 5049751610, 10099503220, 20199006440]

約数ペア:

[(1, 20199006440), (2, 10099503220), (4, 5049751610), (5, 4039801288), (8, 2524875805), (10, 2019900644), (20, 1009950322), (40, 504975161), (7499, 2693560), (14998, 1346780), (29996, 673390), (37495, 538712), (59992, 336695), (67339, 299960), (74990, 269356), (134678, 149980)]