13151540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 29901312

約数和(自身を除く): 16749772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 823, 940, 1598, 1646, 3196, 3292, 3995, 4115, 7990, 8230, 13991, 15980, 16460, 27982, 38681, 55964, 69955, 77362, 139910, 154724, 193405, 279820, 386810, 657577, 773620, 1315154, 2630308, 3287885, 6575770, 13151540]

約数ペア:

[(1, 13151540), (2, 6575770), (4, 3287885), (5, 2630308), (10, 1315154), (17, 773620), (20, 657577), (34, 386810), (47, 279820), (68, 193405), (85, 154724), (94, 139910), (170, 77362), (188, 69955), (235, 55964), (340, 38681), (470, 27982), (799, 16460), (823, 15980), (940, 13991), (1598, 8230), (1646, 7990), (3196, 4115), (3292, 3995)]