129581240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3371}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 301355640

約数和(自身を除く): 171774400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3371, 3844, 4805, 6742, 7688, 9610, 13484, 16855, 19220, 26968, 33710, 38440, 67420, 104501, 134840, 209002, 418004, 522505, 836008, 1045010, 2090020, 3239531, 4180040, 6479062, 12958124, 16197655, 25916248, 32395310, 64790620, 129581240]

約数ペア:

[(1, 129581240), (2, 64790620), (4, 32395310), (5, 25916248), (8, 16197655), (10, 12958124), (20, 6479062), (31, 4180040), (40, 3239531), (62, 2090020), (124, 1045010), (155, 836008), (248, 522505), (310, 418004), (620, 209002), (961, 134840), (1240, 104501), (1922, 67420), (3371, 38440), (3844, 33710), (4805, 26968), (6742, 19220), (7688, 16855), (9610, 13484)]