13283180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 29042496

約数和(自身を除く): 15759316

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 167, 194, 205, 334, 388, 410, 485, 668, 820, 835, 970, 1670, 1940, 3340, 3977, 6847, 7954, 13694, 15908, 16199, 19885, 27388, 32398, 34235, 39770, 64796, 68470, 79540, 80995, 136940, 161990, 323980, 664159, 1328318, 2656636, 3320795, 6641590, 13283180]

約数ペア:

[(1, 13283180), (2, 6641590), (4, 3320795), (5, 2656636), (10, 1328318), (20, 664159), (41, 323980), (82, 161990), (97, 136940), (164, 80995), (167, 79540), (194, 68470), (205, 64796), (334, 39770), (388, 34235), (410, 32398), (485, 27388), (668, 19885), (820, 16199), (835, 15908), (970, 13694), (1670, 7954), (1940, 6847), (3340, 3977)]