31979180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 70066080

約数和(自身を除く): 38086900

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 661, 820, 1180, 1322, 2419, 2644, 3305, 4838, 6610, 9676, 12095, 13220, 24190, 27101, 38999, 48380, 54202, 77998, 108404, 135505, 155996, 194995, 271010, 389990, 542020, 779980, 1598959, 3197918, 6395836, 7994795, 15989590, 31979180]

約数ペア:

[(1, 31979180), (2, 15989590), (4, 7994795), (5, 6395836), (10, 3197918), (20, 1598959), (41, 779980), (59, 542020), (82, 389990), (118, 271010), (164, 194995), (205, 155996), (236, 135505), (295, 108404), (410, 77998), (590, 54202), (661, 48380), (820, 38999), (1180, 27101), (1322, 24190), (2419, 13220), (2644, 12095), (3305, 9676), (4838, 6610)]