2586280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 6350400

約数和(自身を除く): 3764120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 83, 95, 152, 164, 166, 190, 205, 328, 332, 380, 410, 415, 664, 760, 779, 820, 830, 1558, 1577, 1640, 1660, 3116, 3154, 3320, 3403, 3895, 6232, 6308, 6806, 7790, 7885, 12616, 13612, 15580, 15770, 17015, 27224, 31160, 31540, 34030, 63080, 64657, 68060, 129314, 136120, 258628, 323285, 517256, 646570, 1293140, 2586280]

約数ペア:

[(1, 2586280), (2, 1293140), (4, 646570), (5, 517256), (8, 323285), (10, 258628), (19, 136120), (20, 129314), (38, 68060), (40, 64657), (41, 63080), (76, 34030), (82, 31540), (83, 31160), (95, 27224), (152, 17015), (164, 15770), (166, 15580), (190, 13612), (205, 12616), (328, 7885), (332, 7790), (380, 6806), (410, 6308), (415, 6232), (664, 3895), (760, 3403), (779, 3320), (820, 3154), (830, 3116), (1558, 1660), (1577, 1640)]