13017850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 25980480

約数和(自身を除く): 12962630

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 193, 355, 386, 475, 710, 950, 965, 1349, 1775, 1930, 2698, 3550, 3667, 4825, 6745, 7334, 9650, 13490, 13703, 18335, 27406, 33725, 36670, 67450, 68515, 91675, 137030, 183350, 260357, 342575, 520714, 685150, 1301785, 2603570, 6508925, 13017850]

約数ペア:

[(1, 13017850), (2, 6508925), (5, 2603570), (10, 1301785), (19, 685150), (25, 520714), (38, 342575), (50, 260357), (71, 183350), (95, 137030), (142, 91675), (190, 68515), (193, 67450), (355, 36670), (386, 33725), (475, 27406), (710, 18335), (950, 13703), (965, 13490), (1349, 9650), (1775, 7334), (1930, 6745), (2698, 4825), (3550, 3667)]